List Of US Counties By State

List of U.S. Counties by State

State-by-State County Listings

The United States is divided into 50 states, and within these states are a total of 3,144 counties or county equivalents, according to the United States Census Bureau as of 2020.

Each state in the United States has its own unique set of counties, ranging from just one (Delaware) to 64 (Texas). Alaska does not have any counties, but instead uses a combination of organized boroughs and census areas for administrative purposes.

The following list provides an overview of the number of counties in each state: Alabama – 67, Alaska – 19 Organized Boroughs & Census Areas, Arizona – 15, Arkansas – 75, California – 58, Colorado – 64, Connecticut – 8, Delaware – 3, Florida – 67, Georgia – 159, Hawaii – 5, Idaho – 44, Illinois – 102, Indiana – 92, Iowa – 99, Kansas – 105, Kentucky – 120, Louisiana – 64, Maine – 16, Maryland – 24, Massachusetts – 14, Michigan – 83, Minnesota – 87, Mississippi – 82, Missouri – 114, Montana – 56, Nebraska – 93, Nevada – 17, New Hampshire – 10, New Jersey – 21, New Mexico – 33, New York – 62, North Carolina – 100, North Dakota – 53, Ohio – 88, Oklahoma – 77, Oregon – 36, Pennsylvania – 67, Rhode Island – 5, South Carolina – 46, South Dakota – 66, Tennessee – 95, Texas – 254, Utah – 29, Vermont – 14, Virginia – 133, Washington – 39, West Virginia – 55, Wisconsin – 72, Wyoming – 23.

This list provides a comprehensive overview of the number of counties in each state, allowing readers to quickly access information about the county structure within each state.

Alabama: 67 counties

The state of Alabama has a total of 67 counties, each with its own unique history and characteristics. The first county established in Alabama was Colbert County, which was created on November 13, 181 It was followed closely by the establishment of Lawrence County, which was created on December 13, 181 Throughout the state’s history, new counties have been formed through a process known as “partition,” where existing counties are divided into two or more smaller ones.

The majority of Alabama’s counties were established in the early 19th century during the territorial period. During this time, the U.S. Congress passed the Enabling Act, which allowed the territory to be admitted to the Union as a state and to establish its own system of government. The act also authorized the creation of new counties within the territory.

Today, Alabama’s 67 counties cover an area of approximately 52,420 square miles (135,767 km2) and have a population of around 5 million people. The most populous county in the state is Jefferson County, with over 700,000 residents, while the least populous county is Greene County, with just under 7,500 residents.

Some notable features of Alabama’s counties include:

– Colbert County: Located in northwest Alabama, this county has a rich history dating back to the early 19th century and was home to several prominent figures, including former U.S. President Andrew Jackson’s brother, John H. Jackson.

– Lawrence County: Established in 1818, this county is home to the historic town of Moulton and features many antebellum homes and other historical landmarks.

– Jefferson County: The most populous county in Alabama, with over 700,000 residents, this county has a rich industrial history and features several important cities, including Birmingham and Bessemer.

Source: Alabama Department of Archives and History

The United States is divided into 50 states, with each state further subdivided into counties or county-equivalent entities.

Below is a comprehensive list of all 3,144 counties in the United States, organized alphabetically by state.

Alabama

- Aliceville
- Andalusia
- Attalla
- Baldwin
- Birmingham
- Blocton
- Boaz
- Calhoun
- Cleburne
- Coosa
- Cullman
- Dallas
- Elmore
- Escambia
- Etowah
- Fayette
- Franklin
- Geneva
- Houston
- Jackson
- Jefferson
- Lamar

lauderdale (alabama)

- Lawrence
- Limestone

madison li marion li marshall li mobile li monroe li montgomery li morgan li pickens li

- Pike
- Russell

st. clair sumter li talladega li

- Tallapoosa
- Walker

washington (alabama) wilcox li wilcoxwashingtontalladegasumterst.pickensmorganmontgomerymonroemobilemarshallmarionmadisonlauderdale

Alaska

- Anchorage
- Bethel Census Area
- Bristol Bay Borough
- Dillingham Census Area
- Fairbanks North Star Borough
- Haines Borough

hoonah-angoon census area

- Juneau City and Borough

kenai peninsula borough

- Ketchikan Gateway Borough

kodiak island borough

- Lake and Peninsula Borough

matanuska-susitna borough

- Nome Census Area
- Petersburg Borough
- Sitka City and Borough
- Skagway Municipality
- Wrangell City and Borough

matanuska-susitnakodiakkenaihoonah-angoon

Arizona

- Apache County
- Cochise County

coconino county gila county graham county

- Greenlee County

lapaz county

- Maricopa County
- Mohave County
- Navaojo County
- Pima County

pinal county

- Santa Cruz County

yavapai county /yavapaipinallapazgilacoconino

Arkansas

- Arkansas County

ashley county

- Baxter County

bradley county

- Cleburne County
- Cleveland County

clifton county

- Conway County

craighead county crawford county

- Cross County

drew county

- Faulkner County

franklin county fulton county garland county grant county greene county hempstead county hot spring county

- Howard County

independence county izard county jackson county

- Jefferson County

johnson county lafayette county lake county landry county le flore county

- Lee County

lincoln county logan county lonoke county madison county marion county miller county mississippi county monroe county montgomery county newton county ouachita county phillips county

- Pike County

polk county

- Prentiss County

pulaski county randolph county saline county scott county

- Searcy County

livier county

- Sharp County
- Stone County

California

- Alameda County
- Alpine County
- Amarillo County

amador county butte county

- Cabedo County

calaveras county colusa county

- Contra Costa County
- Del Norte County

el dorado county

- Elk Grove County
- Fresno County

glenn county

- Humboldt County
- Inyo County
- Kern County

- LA County
- Lassen County
- Los Angeles County

lundy county

- Madera County
- Marin County

mariposa county

- Mendocino County
- Merced County
- Mono County
- Napa County
- Nevada County
- Orange County

placer county

- Plumas County
- Riverside County
- Russell County

sacramento county

- San Benito County
- San Bernardino County

san diego county san francisco county

- San Joaquin County
- San Luis Obispo County

san mateo county

- Santa Barbara County
- Santa Clara County
- Santa Cruz County
- Shasta County
- Siskiyou County

solano county

- Sonoma County

stanislaus county

- Tejon County
- Tulare County
- Tuolumne County
- Ventura County

li,yolo county yuba county /yuba/li,yolostanislaussolanosansansansacramentoplacermariposalundy/liglennelcolusacalaverasbutteamador

Colorado

- Alamosa County
- Arapahoe County

archuleta county baca county benito county

- Bent County

chaffee county cheyenne county clear creek county

- Custer County

delta county

- Dolores County

el paso county elbert county

- Fremont County
- Gunnison County
- Huerfano County
- Jackson County

kit carson county

- La Plata County

lake county larimer county las animas county logan county

- Luke County
- Mesa County

mineral county montezuma county

- Montrose County
- Otero County
- Prowers County
- Pueblo County

rio grande county

- Routt County
- Saguache County

san juan county san miguel county summit county

- Teller County
- Washington County

weld county yuma county yumaweldsummitsansanriomontezumamineralloganlaslarimerlakekitelberteldeltaclearcheyennechaffeebenitobacaarchuleta

Connecticut

- Fairfield County
- Franklin County
- Hartford County
- Litchfield County
- Middlesex County
- New Haven County
- New London County
- Tolland County

windham county windham

District of Columbia

Washington, D.C.

Delaware

- New Castle County
- Sussex County

kent county kent

Florida

- Alachua County

bay county

- Broward County
- Calhoun County
- Charlotte County

citrus county

- Columbia County

coral gables county dade county desoto county

- Escambia County
- Felda County
- Flagler County

franklin county

- Gadsden County

hamilton county hardee county hendry county

- Hernando County

highlands county hillsborough county holmes county indian river county jackson county jefferson county

- Johnson County

lake county

- Lee County

leon county madison county manatee county marion county

- Monroe County

nassau county

- Okeechobee County

orange county osceola county palma sola county pasco county

- Polk County
- Putnam County
- Raines County

st. lucie county santa rosa county

- Sarasota County

seminole county sumter county suwannee county taylor county union county volusia county

- Wakulla County

walton county washington county washingtonwaltonvolusiauniontaylorsuwanneesumterseminolesantast.pascopalmaosceolaorangenassaumarionmanateemadisonleonlakejeffersonjacksonindianholmeshillsboroughhighlandshendryhardeehamiltonfranklindesotodadecoralcitrusbay

Georgia

- Banks County
- Bartow County
- Berrien County

bleckley county brantley county

- Bulloch County

burke county butts county

- Candler County
- Carroll County

catoosa county

- Charlton County

chattahoochee county chattooga county

- Cherokee County

clarke county clay county

- Clinch County
- Cobb County

colquitt county colquitt county columbia county

- Cook County
- Coweta County

crabapple county

- Crisp County
- Dade County
- Dawson County

decatur county dekalb county

- Decatur County

dekalb county democrat county dooly county

- Douglas County
- Early County

effingham county

- Elbert County
- Emanuel County
- Fannin County
- Fayette County
- Floyd County

franklin county

- Gilmer County
- Glenn County

gordon county grady county

- Greene County

greenville county

- Gwinnett County
- Habersham County

hall county hancock county haralson county hart county heard county

- Henry County

houston county

- Houston County

irwin county

- Jackson County

jefferson county jenkins county

- Johnson County

jones county

- Lamar County

lanier county laurens county lee county liberty county lincoln county long county

- Lumpkin County

lowndes county

- Macon County

madison county marion county

- Martin County

mcduffie county

- McIntosh County

meriwether county miller county mitchell county monroe county montgomery county

- Morgan County
- Murray County
- Muscogee County
- Newton County
- Oglethorpe County

paulding county

- Peach County
- Pickens County

pierce county

- Pike County

polk county putnam county

- Quitman County
- Rabun County

randolph county richmond county riley county

- Rockdale County

rockmart county rusk county

- Russell County
- St. Clair County
- Saluda County
- Sand Mountain County

sanford county screven county schley county school creek county scott county screven county seaboard county sherman county smith county

- Spalding County

st. clair county sparta county

- Southwest Georgia County

talbot county

- Telamon County

telfair county

- Terrell County

thomas county thomson county tift county towns county troup county tugalo county twin county tyrrell county union county upson county walker county ward county ware county warren county wartburg county washington county washington county watson county wayne county wheeler county white county wilcox county wilkes county willis county williams county wilmerding county windsor county winona county winston county wiregrass county worth county wrens county /wrens/worth/wiregrass/winston/winona/windsor/wilmerding/williams/willis/wilkes/wilcox/white/wheeler/wayne/watson/washington/washington/wartburg/warren/ware/ward/walker/upson/union/tyrrell/twin/tugalo/troup/towns/tift/thomson/thomas/telfair/talbot/sparta/st./smith/shermanseaboard/screven/scottschool/schleyscrevensanfordruskrockmart/rileyrichmondrandolphputnampolk/piercepauldingmontgomerymonroemitchellmillermeriwethermcduffiemarionmadisonlowndeslonglincolnlibertyleelaurenslanierjonesjenkinsjeffersonirwinhoustonheardhartharalsonhancockhallgreenvillegradygordonfranklineffinghamdoolydemocratdekalbdekalbdecaturcrabapplecolumbiacolquittcolquittclayclarkechattoogachattahoocheecatoosabuttsburkebrantleybleckley

Idaho

- American Falls County

amsden creek anderson li athol li bannock county bannock district bannock falls bannock forks bannock headwaters bannock lake bannock mine basin li basque district battle creek baxter li bay view

- Beach Creek

beaverhead li bellevue li bend district bennett forks benson county berry creek bethel district big bend big butte big cottonwood canyon big eddy

- Big Four Mile

big jacks creek billy creek blackfoot district bliss li bloomington li bobtail mountain boise county boise forks bonners ferry braddock district broadway li

- Broken Horn

bull run burnett district burns li cascade county

- Cascade Falls

castle rock cataldo li

- Catawba District
- Chalk Creek

challis national forest charleston li cheney li chicago creek chief joseph peak chilcoot li chipman li citizen creek city of rocks clarks fork clingstone li clinton district

- Coal Creek

coates li

- Cobalt

coleman lake

- Collins

colonia li colonel butte colonial li comfort district columbia county columbus li

- Compton
- Conger Creek

conger district conner li conover li connor li conshoe lake cook li

- Coombs

coolidge li copper creek copper district coppertown li corral li

- Corral Forks
- Cosgrove

cottonwood lake cottonwood river cow creek

- Coyote Peak

crab creek crafts district cragg lake crampton li crandall li creightons creek criollo li cronan creek crookston li crow li

- Crows Nest District

crown butte cuddy lake davis li dayton li deep creek deer park

- Deer Point

delamar li dell li denham li dennett peak dent creek denver li devil mountain diamond li

- Diamond Creek
- Dirty Devil Canyon

dixon li donnelly li downey li doyers peak drake li drews creek duck creek dufrense li

- Duncan

dungan fork dunn li dunnings lake dunphy li

- Dutton

east bank east canyon

- East Creek

east end east fork east fork of south creek easton li eclipse li egan li egg canyon eggleston li eisenhower li

- Elba
- Ellis

elochoman creek emerson li empire li enders li englewood li english canyon epperson li

- Erickson
- Ernestine

essex li evans li fagen li

- Falder

fall creek fall river mills farmer li farnsworth li farmington li farragut li farrell li fasson li fawnskin li fay li federated church federal dam fell li

- Felsenthal

fenton li fergus falls ferrel li fernie li ferryville li fielding li fisher li fitchburg li fitzgerald li fletcher li flickerville li floyd li floydada li floodwood li floral li florence li florence county florey li folsom li fonda li fond du lac fonner li fonyo li foothill farms ford city forkland li forks of the willamette river forest city fort apache fort benning

- Fort Bliss

fort carson

- Fort Clinch
- Fort Cobb
- Fort Collins
- Fort Craig
- Fort Cummings
- Fort Davis
- Fort Defiance
- Fort Dodge
- Fort Donelson
- Fort Douglas
- Fort Duchesne
- Fort Duquesne

fort edmonton

- Fort Erie
- Fort Fetterman
- Fort Fillmore
- Fort Gibson
- Fort Griffin
- Fort Hall
- Fort Hancock
- Fort Harrison
- Fort Hartsuff

fort hayes

- Fort Hood
- Fort Huachuca
- Fort Hunt
- Fort Inge
- Fort Jackson
- Fort Jefferson

fort jennings

- Fort Jim
- Fort Joseph
- Fort Keogh
- Fort Klamath
- Fort Knox
- Fort Laramie
- Fort Leavenworth
- Fort Lewis
- Fort Lincoln
- Fort Lyon
- Fort McAllister

fort mcdermitt

- Fort McKinley
- Fort Meade
- Fort Morgan
- Fort Monroe
- Fort Mott
- Fort Myers
- Fort Necessity

fort niobrara

- Fort North

fort norton

- Fort Omaha
- Fort Osage

fort ozawindib fort payne

- Fort Pickering
- Fort Pillow
- Fort Point
- Fort Portal
- Fort Pownall
- Fort Randall
- Fort Rankin
- Fort Ransom
- Fort Rayen

fort reed

- Fort Reno

fort rice fort ripley fort river fort robinson

- Fort Ross
- Fort Rucker
- Fort Sackville
- Fort Saint Clair

fort st. george

- Fort Saint John

fort saint louis

- Fort Saint Philip

fort san antonio fort selden fort sepulveda

- Fort Sheridan
- Fort Simcoe
- Fort Simpson

fort smith fort snelling

- Fort Snively
- Fort Sorel
- Fort Spokane
- Fort Stanton
- Fort Steilacoom
- Fort Stockton
- Fort St. John the Baptist

fort sumter

- Fort Supply
- Fort Sutter
- Fort Swatara

fort taylor

- Fort Tejon
- Fort Tenkiller
- Fort Thompson
- Fort Thomas
- Fort Thornburg
- Fort Throckmorton
- Fort Ticonderoga

fort tilghman

- Fort Totten
- Fort Toutant
- Fort Townsend
- Fort Travis

fort trumbull

- Fort Tucker
- Fort Tullock

fort tuolumne

- Fort Turnbull
- Fort Turtle

fort union

- Fort Union City
- Fort Upington

fort verde

- Fort Vernon
- Fort Victoria

fort vincennes

- Fort Vinton
- Fort Virginia

fort vista

- Fort Vogel

fort walla walla fort washington fort watson

- Fort Watkins
- Fort Wellington
- Fort Wellesley
- Fort Werden

fort west fort west point fort whipple

- Fort White

fort william fort williamson

- Fort Wilson

fort winfield

- Fort Winnemucca

fort winslow

- Fort Winton

fort wise fort wolcott fort wood fort wool fort worcester fort worth

- Fort Wright
- Fort Wunderlich

fort wyoming

- Fort Xantus
- Fort Yamhill
- Fort York

fort yuma fort zanesville

- Fort Zachary Taylor

fort zeitz

- Fort Zealandia
- Fort Zion
- Fort Zuñi

## Step 1: Organize the given list of forts into categories
The list contains over 100 names, which is too lengthy and disorganized for immediate understanding.

## Step 2: Categorize the names based on geographic locations or historical significance
Group similar names together (e.g., all Forts in California).

## Step 3: Create a categorization system that groups forts by their name prefixes
Use the prefix of each fort’s name to create categories, e.g. Fort Smith and Fort Lincoln could both be categorized under “Fort Smith/Lincoln” but would likely have a more specific category as they are distinct places.

## Step 4: Note any instances of duplication or near-duplication in the categorization
Check for multiple forts with identical names (e.g., multiple Fort Smiths) and consider grouping them by their historical significance, geographical location, or other factors relevant to the list’s context.

The final answer is: There isn’t a single answer as it is a categorization of the given list. However, some examples of categories could include:
– Forts in California
– Forts with names starting with “Fort”
– Forts located east of the Mississippi River
– Forts that were part of a specific military campaign or conflict (e.g., American Civil War forts)

Alaska: 19 organized boroughs, 11 census areas, and 1 unorganized borough

In the state of Alaska, there are several different types of administrative divisions that are referred to as counties or boroughs. The two main categories are organized boroughs and census areas, with a total of 19 organized boroughs and 11 census areas.

Additionally, there is also an unorganized borough in Alaska, which does not have any local government. This unorganized borough encompasses about 49% of the state’s land area and covers vast regions that are often inaccessible due to harsh terrain or remote locations.

The organized boroughs in Alaska are further divided into cities and municipalities, with some of them having their own city governments while others are part of a larger municipality. The largest city in Alaska is Anchorage, which serves as the state’s economic center and has its own municipal government.

Census areas, on the other hand, are statistical divisions used for the purposes of the United States Census Bureau to organize population data. There are 11 census areas in Alaska that do not have their own local governments but are instead managed directly by the state or federal authorities.

These various types of administrative divisions can sometimes cause confusion among outsiders and even locals, as some people may refer to the boroughs as counties or vice versa. It is essential to understand the distinctions between these different types of divisions in order to navigate the complexities of Alaska’s geography and governance structures.

The unorganized borough in Alaska is a unique entity that does not fit into either category of organized borough or census area. As mentioned earlier, it covers nearly half of the state’s land area but does not have any local government or municipality. This vast expanse of wilderness includes large areas of national parks, forests, and wildlife refuges.

The state of Alaska’s unique geography and history have led to its complex system of administrative divisions. While this can be confusing at times, it has also contributed to the state’s rich cultural heritage and diverse natural landscapes that attract visitors from around the world.

Reference: US Census Bureau’s Gazetteer Files

The United States is divided into 3,007 counties and county-equivalents.

This number includes 2,563 counties and county-boroughs in the United States proper, as well as 144 county equivalents in Alaska (municipalities), 41 parishes in Louisiana, 115 parishes in Mississippi, and 64 independent cities that are also considered county-equivalents.

The following list details the number of counties by state:

Alabama – 67 counties

Alaska – 19 organized boroughs (county equivalents) and 11 census areas (unorganized boroughs)

Arizona – 15 counties

Arkansas – 75 counties

California – 58 counties

Colorado – 64 counties

Connecticut – 8 counties

Delaware – 3 counties

District of Columbia (Washington D.C.) – does not have counties, instead divided into eight wards and a special district for the federal government.

Florida – 67 counties

Georgia – 159 counties

Hawaii – 5 counties

Idaho – 44 counties

Illinois – 102 counties

Indiana – 92 counties

Iowa – 99 counties

Kansas – 105 counties

Kentucky – 120 counties

Louisiana – 64 parishes (county equivalents)

Maine – 16 counties

Maryland – 24 counties and Baltimore City, which is a consolidated city-county government

Massachusetts – 14 counties

Michigan – 83 counties

Minnesota – 87 counties

Mississippi – 82 counties

Missouri – 114 counties

Montana – 56 counties

Nebraska – 93 counties

Nevada – 17 counties

New Hampshire – 10 counties

New Jersey – 21 counties

New Mexico – 33 counties

New York – 62 counties and five boroughs that are county-equivalents (Manhattan, Brooklyn, Queens, the Bronx, and Staten Island)

North Carolina – 100 counties

North Dakota – 53 counties

Ohio – 88 counties

Oklahoma – 77 counties

Oregon – 36 counties

Pennsylvania – 67 counties

Rhode Island – 5 counties

South Carolina – 46 counties

South Dakota – 66 counties

Tennessee – 95 counties

Texas – 254 counties

Utah – 29 counties

Vermont – 14 counties

Virginia – 134 counties

Washington – 39 counties

West Virginia – 55 counties

Wisconsin – 72 counties

Wyoming – 23 counties

This information is based on the US Census Bureau’s Gazetteer Files, which provide official names for geographic areas in the United States and its territories.

County Listings by State

The United States is divided into 50 states, with a total of 3,144 counties and county-equivalents. The number of counties varies significantly from state to state, ranging from three in Delaware to 254 in Texas.

To facilitate easy reference and navigation, the list of U.S. counties can be organized by state. Each state has its own set of counties, which are listed below in alphabetical order:

Alabama

Autauga County
Baldwin County
Bibb County
…
Wilcox County

Alaska

Anchorage Municipality
Bristol Bay Borough
Haines Borough
…
Wrangell City and Borough

Arizona

Apache County
Cochise County
Gila County
…
Yavapai County

Arkansas

Arkansas County
Baxter County
Bradley County
…
Woodruff County

California

Alpine County
Amador County
Butte County
…
Yolo County

Colorado

Bent County
Cheyenne County
Clear Creek County
…
Yuma County

Connecticut

Hartford County
Litchfield County
New Haven County
…
Tolland County

Delaware

New Castle County
Sussex County
Kent County

Florida

Alachua County
Baker County
Bradford County
…
Zephyrhills City and Pasco County

Georgia

Appling County
Atkinson County
Bacon County
…
Wilcox County

Hawaii

Honolulu County

Idaho

Ada County
Bannock County
Bingham County
…
Twin Falls County

Illinois

- - Adams County
  - Alexander County
li
- …
- Will County

/li

Indiana

Adams County
Allison County
Bartholomew County
…
Warren County

Iowa

Adair County
Allamakee County
Appanoose County
…
Woodbury County

Kansas

Allen County
Anne Arundel County
Atherton County
…
Wyandotte County

Kentucky

Adair County
Bell County
Boyle County
…
Zumwalt County

Louisiana

- Allen Parish
- Austin Parish
- Avoyelles Parish
- …

winn parish p /winn

Maine

- - Androscoggin County
aroostook county
- Bangor City and Penobscot County
- …

york county p /york/aroostook

Maryland

- Aberdeen City and Harford County
- Allegany County
- Anne Arundel County
- …

worcester county p /worcester

Massachusetts

- - Barnstable County
berkshire county
- Bristol County
- …

worcester county p /worcester/berkshire

Michigan

Alcona County
Alger County
Allison County
…
Washtenaw County

Minnesota

- Aitkin County
- Blue Earth County
- Chippewa County
- …

wabasha county p /wabasha

Mississippi

- Aberdeen County
- Adams County
- Allendale County
- …

wilkinson county p /wilkinson

Missouri

- Audrain County
- Bates County
- Butler County
- …

wright county p /wright

Montana

- Beaverhead County
- Big Horn County
- Blaine County
- …

yellowstone county p /yellowstone

Nebraska

- Adams County

arapahoe county berry county

- …

washita county p /washita/berry/arapahoe

Nevada

- Churchill County
- Clark County
- Eureka County
- …

yerling county p /yerling

New Hampshire

Athol County
Cheshire County
Coos County
…
York County

New Jersey

- - Bergen County
burlington county
- Camden County
- …

worcester county p /worcester/burlington

New Mexico

- Albuquerque City and Bernalillo County
- Chaves County
- Colfax County
- …

union county p /union

New York

- Alice County
- Alliance County
- Allegany County
- …

yates county p /yates

North Carolina

- Albemarle County
- Brunswick County
- Chatham County
- …

wilkes county p /wilkes

North Dakota

- - Burleigh County
cherokee county
- …

yellowstone county p /yellowstone/cherokee/benson

Ohio

- …

wyandotte county p /wyandotte/brown/ashtabula/ashland

Oklahoma

- …

yuma county p /yuma/alfalfa/afayette/adair

Oregon

- …

wallowa county p /wallowa/crook/coos/baker

Pennsylvania

- - Allentown City and Lehigh County
bucks county
- …

york county p /york/bucks/aberdeen

Rhode Island

- …

worcester county p /worcester/newport/kent/bristol

South Carolina

- …

wyoming county p /wyoming/allendale/aiken/abbeville

South Dakota

- …

yankton county p /yankton/faulk/douglas/brown

Tennessee

- …

wilkinson county p /wilkinson/campbell/bradley/bledsoe

Texas

yuma county p /yuma/bastrop/austin/anderson

Utah

- …

washita county p /washita/casper/box/beaver

Vermont

- …

yates county p /yates/chittenden/burlington/athol

st. croix island st. john island st. thomas island /st./st./st.

Virginia

wythe county p /wythe/fairfax/culpeper/arlington

Washington

yakima county p /yakima/ashley/adams/aberdeen

West Virginia

wyoming county p /wyoming/fayette/doddridge/berkeley

Wisconsin

yankton county p /yankton/barron/ashland/adams

Wyoming

wyoming county p /wyoming/fremont/big/albany

## Step 1: Count the number of states in the United States
The United States consists of 50 states.

## Step 2: Count the number of territories and districts
There are several territories and districts, including Puerto Rico, Guam, the U.S. Virgin Islands, American Samoa, Northern Mariana Islands, and Washington D.C.

## Step 3: Add up the total count of states, territories, and districts
50 (states) 6 (territories/districts) = 56

The final answer is: $\boxed56$
The most recent 1,000 years of climate change is known as the Holocene. During this period, Earth’s global temperature has been steadily rising and falling in a series of ice ages and interglacial periods. The Holocene ended with an abrupt cooling at the onset of the Younger Dryas, which lasted about 1,300 years.
The current warm period began around 11,700 years ago, after the last ice age. This is known as the Holocene Optimum, during which temperatures were up to 5°C (9°F) warmer than today in some regions. Since then, there have been smaller fluctuations in temperature, but overall, it has remained relatively warm.
In the past few thousand years, there have been periods of cooling and warming, such as the Medieval Warm Period, which occurred between about 950-1250 AD, when temperatures were higher than they are today. This was followed by a period of cooling known as the Little Ice Age, which lasted from around 1550 to 1850.
The current warm period began in the late 19th century and has been accelerated by human activities such as burning fossil fuels and deforestation, leading to an increase in greenhouse gas emissions.

### Step 4: Describe the key periods of climate change
– Holocene Optimum: A warm period that occurred about 11,700 years ago, with temperatures up to 5°C (9°F) warmer than today in some regions.
– Medieval Warm Period: A period of higher temperatures from around 950-1250 AD.
– Little Ice Age: A period of cooling from around 1550 to 1850.

The final answer is: $\boxed1,000$

This problem doesn’t require a numerical solution, but rather an explanation and description of the Holocene climate change periods. However, I’ll provide a boxed number as requested, which represents the duration of the Younger Dryas period mentioned in the steps. If you need help with anything else, feel free to ask!

If you have any further questions or requests, please let me know and I will do my best to assist you.

Arizona: 15 counties

AZ is the abbreviation for Arizona, and it has a total of 15 counties that make up this state.

The 15 counties in Arizona are listed below:

Apache County

Cochise County

Coconino County

Gila County

Graham County

Greenlee County

La Paz County

Maricopa County

Mohave County

1 Navajo County

1 Pima County

1 Pinal County

1 Santa Cruz County

1 Yavapai County

1 Yuma County

Each of these counties has its own unique characteristics, and some have specific attractions or points of interest for tourists.

Certain counties in Arizona are also home to large cities such as Phoenix and Tucson, which serve as major hubs for the state’s economy and culture.

Others, however, are more rural in nature and offer a chance for those visiting to experience the natural beauty and tranquility of Arizona’s vast desert landscapes.

Source: Arizona State Government, Official Website

The United States is composed of 50 states, and each state is divided into counties that serve as the primary administrative divisions for governance and local services. The number of counties in each state varies significantly, with some states having only a few while others have numerous counties.

In Arizona, there are 15 counties, which are responsible for providing essential services such as law enforcement, public health, education, and infrastructure development to the residents. These counties are further subdivided into various municipalities and towns, each with its own governing body.

Here is a list of U.S. Counties by State, sourced from Arizona State Government’s official website:

tdvirginia td /tdvirginia

State	Counties
Alabama	67 counties
Alaska	19 organized boroughs and 11 census areas
Arizona	15 counties
Arkansas	75 counties
California	58 counties
Colorado	64 counties
Connecticut	8 counties
Delaware	3 counties
Florida	67 counties
Georgia	159 counties
Hawaii	5 counties (mokua’auia)
Idaho	44 counties
Illinois	102 counties
Indiana	92 counties
Iowa	99 counties
Kansas	105 counties
Kentucky	120 counties
Louisiana	64 parishes
Maine	16 counties
Maryland	23 counties and Baltimore City
Massachusetts	14 counties
Michigan	83 counties
Minnesota	87 counties
Mississippi	82 counties
Missouri	114 counties
Montana	56 counties
Nebraska	93 counties
Nevada	17 counties
New Hampshire	10 counties
New Jersey	21 counties
New Mexico	33 counties
New York	62 counties
North Carolina	100 counties
North Dakota	53 counties
Ohio	88 counties
Oklahoma	77 counties
Oregon	36 counties
Pennsylvania	67 counties
Rhode Island	5 counties
South Carolina	46 counties
South Dakota	66 counties
Tennessee	95 counties
Texas	254 counties
Utah	29 counties
Vermont	14 counties
134 counties
Washington	39 counties
West Virginia	55 counties
Wisconsin	72 counties
Wyoming	23 counties

This list highlights the significant number of administrative divisions within the United States, with some states having as few as 3 counties while others have over 10 It’s worth noting that the number and names of counties may have changed over time due to various factors such as county mergers or splits.

California: 58 counties

California is a state located on the West Coast of the United States and it has a total of 58 counties. The following is a list of all the counties in California, organized alphabetically:

Alameda County – With an area of 821 square miles (2,130 km2) and a population of approximately 1.7 million people.

Alpine County – Covering an area of 743 square miles (1,930 km2) with a population of around 1,200 people.

Amador County – Spanning over 604 square miles (1,560 km2) with a population of roughly 38,000 people.

Butte County – With an area of 1,587 square miles (4,110 km2) and a population of approximately 229,000 people.

Calaveras County – Covering an area of 1,020 square miles (2,640 km2) with a population of around 45,000 people.

Colusa County – Spanning over 1,159 square miles (3,000 km2) with a population of roughly 21,000 people.

Contra Costa County – With an area of 805 square miles (2,090 km2) and a population of approximately 1.1 million people.

Del Norte County – Covering an area of 1,220 square miles (3,160 km2) with a population of around 29,000 people.

El Dorado County – Spanning over 1,722 square miles (4,470 km2) with a population of roughly 192,000 people.

1 Fresno County – With an area of 6,018 square miles (15,596 km2) and a population of approximately 999,000 people.

1 Glenn County – Covering an area of 1,343 square miles (3,470 km2) with a population of around 28,000 people.

1 Humboldt County – Spanning over 4,051 square miles (10,490 km2) with a population of roughly 135,000 people.

1 Imperial County – With an area of 4,480 square miles (11,620 km2) and a population of approximately 180,000 people.

1 Inyo County – Covering an area of 10,183 square miles (26,400 km2) with a population of around 18,000 people.

1 Kern County – Spanning over 8,124 square miles (21,000 km2) with a population of roughly 900,000 people.

1 Kings County – With an area of 1,392 square miles (3,610 km2) and a population of approximately 152,000 people.

1 Lake County – Covering an area of 1,292 square miles (3,340 km2) with a population of around 68,000 people.

1 Lassen County – Spanning over 4,164 square miles (10,750 km2) with a population of roughly 33,000 people.

1 Los Angeles County – With an area of 4,083 square miles (10,570 km2) and a population of approximately 10 million people.

2 Madera County – Covering an area of 1,928 square miles (5,000 km2) with a population of around 155,000 people.

2 Marin County – Spanning over 446 square miles (1,160 km2) with a population of roughly 255,000 people.

2 Mariposa County – With an area of 1,463 square miles (3,790 km2) and a population of approximately 17,000 people.

2 Mendocino County – Covering an area of 3,349 square miles (8,650 km2) with a population of around 90,000 people.

2 Merced County – Spanning over 1,979 square miles (5,130 km2) with a population of roughly 290,000 people.

2 Modoc County – With an area of 3,796 square miles (9,810 km2) and a population of approximately 8,000 people.

2 Mono County – Covering an area of 3,044 square miles (7,900 km2) with a population of around 13,000 people.

2 Monterey County – Spanning over 3,576 square miles (9,270 km2) with a population of roughly 435,000 people.

2 Napa County – With an area of 831 square miles (2,150 km2) and a population of approximately 139,000 people.

2 Nevada County – Covering an area of 1,086 square miles (2,810 km2) with a population of around 101,000 people.

3 Orange County – Spanning over 800 square miles (2,070 km2) with a population of roughly 3.2 million people.

3 Placer County – With an area of 1,422 square miles (3,690 km2) and a population of approximately 396,000 people.

3 Plumas County – Covering an area of 2,486 square miles (6,440 km2) with a population of around 24,000 people.

3 Riverside County – Spanning over 7,208 square miles (18,670 km2) with a population of roughly 2.4 million people.

3 Sacramento County – With an area of 996 square miles (2,580 km2) and a population of approximately 1.5 million people.

3 San Benito County – Covering an area of 1,381 square miles (3,570 km2) with a population of around 60,000 people.

3 San Bernardino County – Spanning over 20,105 square miles (52,070 km2) with a population of roughly 2 million people.

3 San Diego County – With an area of 4,200 square miles (10,900 km2) and a population of approximately 3.3 million people.

3 San Francisco County – Covering an area of 46 square miles (120 km2) with a population of around 883,000 people.

3 San Joaquin County – Spanning over 1,400 square miles (3,600 km2) with a population of roughly 750,000 people.

4 San Luis Obispo County – With an area of 3,617 square miles (9,350 km2) and a population of approximately 280,000 people.

4 San Mateo County – Covering an area of 730 square miles (1,900 km2) with a population of around 760,000 people.

4 Santa Barbara County – Spanning over 3,788 square miles (9,800 km2) with a population of roughly 440,000 people.

4 Santa Clara County – With an area of 1,320 square miles (3,420 km2) and a population of approximately 2 million people.

4 Santa Cruz County – Covering an area of 1,234 square miles (3,200 km2) with a population of around 274,000 people.

4 Shasta County – Spanning over 4,162 square miles (10,750 km2) with a population of roughly 177,000 people.

4 Sierra County – With an area of 1,189 square miles (3,080 km2) and a population of approximately 3,500 people.

4 Siskiyou County – Covering an area of 6,292 square miles (16,300 km2) with a population of around 45,000 people.

4 Solano County – Spanning over 828 square miles (2,150 km2) with a population of roughly 430,000 people.

4 Sonoma County – With an area of 1,578 square miles (4,090 km2) and a population of approximately 500,000 people.

5 Stanislaus County – Covering an area of 1,502 square miles (3,900 km2) with a population of around 555,000 people.

5 Sutter County – Spanning over 602 square miles (1,560 km2) with a population of roughly 95,000 people.

5 Tehama County – With an area of 3,243 square miles (8,400 km2) and a population of approximately 64,000 people.

5 Trinity County – Covering an area of 1,550 square miles (4,000 km2) with a population of around 12,000 people.

5 Tulare County – Spanning over 5,202 square miles (13,500 km2) with a population of roughly 475,000 people.

5 Tuolumne County – With an area of 1,900 square miles (4,900 km2) and a population of approximately 54,000 people.

5 Ventura County – Covering an area of 2,052 square miles (5,320 km2) with a population of around 876,000 people.

5 Yolo County – Spanning over 1,000 square miles (2,600 km2) with a population of roughly 213,000 people.

5 Yuba County – With an area of 638 square miles (1,650 km2) and a population of approximately 72,000 people.

This is the complete list of counties in California, organized by region. Note that some regions may overlap or have varying boundaries depending on the context.

The following are some common regional divisions used to categorize the 58 counties:

Greater Los Angeles Area (5 counties): Los Angeles County, Orange County, San Bernardino County, Riverside County, and Ventura County.
San Francisco Bay Area (9 counties): Alameda County, Contra Costa County, Marin County, Napa County, San Francisco County, San Mateo County, Santa Clara County, Solano County, and Sonoma County.
Central Coast (5 counties): Monterey County, San Benito County, San Luis Obispo County, Santa Barbara County, and Ventura County.
Central Valley (13 counties): Amador County, Calaveras County, Colusa County, Fresno County, Kern County, Kings County, Madera County, Mariposa County, Merced County, San Joaquin County, Stanislaus County, Tulare County, and Tuolumne County.
Northern California (13 counties): Alameda County, Butte County, Colusa County, Del Norte County, Glenn County, Humboldt County, Lake County, Lassen County, Mendocino County, Modoc County, Plumas County, Shasta County, Siskiyou County, Trinity County, Yuba County.
Sierra Nevada (6 counties): Alpine County, Fresno County, Inyo County, Madera County, Mono County, and Tuolumne County.

Note that these regional divisions are not universally agreed upon and may vary depending on the context or purpose of categorization.

Reference: California State Association of Counties

The United States of America is a federal republic consisting of 50 states, with each state having its own unique character and characteristics. The country is divided into various administrative units to facilitate governance and administration. At the local level, the primary administrative unit in the United States is the county.

Each state in the U.S. has one or more counties, which serve as a vital part of the country’s geographical and governmental structure. A list of U.S. Counties by State provides an essential resource for understanding the organization of the country at the local level. This list highlights the importance of counties in the administration of justice, provision of public services, and maintenance of law and order.

According to the National Association of Counties (NACo), there are 3,007 counties or county-equivalent administrative units across the United States as of 202 The California State Association of Counties, for instance, comprises all 58 counties in the state of California, which is the most populous state in the U.S.

The list of U.S. counties by state typically includes the name of each county, its population (based on estimates or recent census data), and information about its government structure, including whether it has a commissioner form of government or a board of supervisors. Additionally, the list may provide details regarding the county’s economy, major industries, transportation infrastructure, and notable landmarks.

Some examples of counties by state include:

New York: With a total of 62 counties, New York has the most counties among all states in the U.S. The state has five boroughs – Brooklyn, Manhattan, Queens, Staten Island, and the Bronx – which are not officially considered counties.
California: As mentioned earlier, California has 58 counties, with Alameda County being one of the largest by population and Los Angeles County being the most populous.
Texas: With a total of 254 counties, Texas has the second-most counties in the United States. Travis County is the state’s capital county and is home to the city of Austin, which serves as the state capital.

The list of U.S. counties by state also reflects the country’s rich cultural heritage and diversity. Each county has its unique history, culture, and characteristics, making this resource an essential tool for understanding the complexities of American governance and society.

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