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Where am ILOCATED

What Is a County?

Find counties and equivalents by name or code. Open a map, then follow its related places and location tools.

AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareDistrict of ColumbiaFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregonPennsylvaniaPuerto RicoRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyoming

Most populous counties

  1. Los Angeles County, California9,694,934 people
  2. Cook County, Illinois5,194,625 people
  3. Harris County, Texas5,045,026 people
  4. Maricopa County, Arizona4,689,558 people
  5. San Diego County, California3,282,248 people
  6. Orange County, California3,149,507 people
  7. Miami-Dade County, Florida2,802,029 people
  8. Dallas County, Texas2,661,397 people
  9. Kings County, New York2,653,963 people
  10. Riverside County, California2,544,916 people
  11. Clark County, Nevada2,407,226 people
  12. Queens County, New York2,358,182 people
  13. King County, Washington2,344,939 people
  14. Tarrant County, Texas2,248,466 people
  15. San Bernardino County, California2,224,091 people
  16. Bexar County, Texas2,160,088 people
  17. Broward County, Florida2,013,317 people
  18. Santa Clara County, California1,914,391 people
  19. Wayne County, Michigan1,769,038 people
  20. Middlesex County, Massachusetts1,669,979 people
  21. New York County, New York1,664,862 people
  22. Alameda County, California1,636,630 people
  23. Sacramento County, California1,618,460 people
  24. Palm Beach County, Florida1,575,726 people

Choose a state on the map to see its counties, largest first. Populations are Census July 2025 estimates. Cities and towns that cross county lines.

A county is a geographic division of a state used for local administration. Census also counts county equivalents, whose local government arrangements can differ. Parishes, boroughs and independent cities are examples. Cities and ZIP areas can cross county lines.

For the county at your current point, use the county finder. To inspect a named county, search the directory below.

How many counties are in each state?

Counts include county equivalents in Census ACS 2025 geography. The local names below explain why an equivalent may not be called a county.

State or territoryCounties and equivalentsUnit names
Alabama67County
Alaska30Borough, Census area, Municipality
American Samoa5District, Island area
Arizona15County
Arkansas75County
California58County
Colorado64County
Commonwealth of the Northern Mariana Islands4Municipality
Connecticut9Planning region
Delaware3County
District of Columbia1Federal district
Florida67County
Georgia159County
Guam1Territory
Hawaii5County
Idaho44County
Illinois102County
Indiana92County
Iowa99County
Kansas105County
Kentucky120County
Louisiana64Parish
Maine16County
Maryland24County, Independent city
Massachusetts14County
Michigan83County
Minnesota87County
Mississippi82County
Missouri115County, Independent city
Montana56County
Nebraska93County
Nevada17County, Independent city
New Hampshire10County
New Jersey21County
New Mexico33County
New York62County
North Carolina100County
North Dakota53County
Ohio88County
Oklahoma77County
Oregon36County
Pennsylvania67County
Puerto Rico78Municipio
Rhode Island5County
South Carolina46County
South Dakota66County
Tennessee95County
Texas254County
United States Virgin Islands3Island area
Utah29County
Vermont14County
Virginia133County, Independent city
Washington39County
West Virginia55County
Wisconsin72County
Wyoming23County

All 3,235 counties and equivalents, A to Z

Browse them A to Z, 200 a page