Counties by state: all 50 states and DC

The United States has 3,144 counties and county-equivalent areas. Pick a state for its map and full list.

Updated October 31, 2026 · Data: U.S. Census Bureau

67 counties

Alabama

Largest: Jefferson County. Smallest: Greene County.

Counties in Alabama

30 county-level areas

Alaska

Largest: Anchorage Municipality. Smallest: Yakutat City and Borough.

Counties in Alaska

15 counties

Arizona

Largest: Maricopa County. Smallest: Greenlee County.

Counties in Arizona

75 counties

Arkansas

Largest: Pulaski County. Smallest: Calhoun County.

Counties in Arkansas

58 counties

California

Largest: Los Angeles County. Smallest: Alpine County.

Counties in California

64 counties

Colorado

Largest: El Paso County. Smallest: San Juan County.

Counties in Colorado

9 planning regions

Connecticut

Largest: Capitol Planning Region. Smallest: Northeastern Connecticut Planning Region.

Counties in Connecticut

3 counties

Delaware

Largest: New Castle County. Smallest: Kent County.

Counties in Delaware

1 county equivalent

District of Columbia

Largest: District of Columbia.

Counties in District of Columbia

67 counties

Florida

Largest: Miami-Dade County. Smallest: Liberty County.

Counties in Florida

159 counties

Georgia

Largest: Fulton County. Smallest: Taliaferro County.

Counties in Georgia

5 counties

Hawaii

Largest: Honolulu County. Smallest: Kalawao County.

Counties in Hawaii

44 counties

Idaho

Largest: Ada County. Smallest: Clark County.

Counties in Idaho

102 counties

Illinois

Largest: Cook County. Smallest: Hardin County.

Counties in Illinois

92 counties

Indiana

Largest: Marion County. Smallest: Ohio County.

Counties in Indiana

99 counties

Iowa

Largest: Polk County. Smallest: Adams County.

Counties in Iowa

105 counties

Kansas

Largest: Johnson County. Smallest: Greeley County.

Counties in Kansas

120 counties

Kentucky

Largest: Jefferson County. Smallest: Robertson County.

Counties in Kentucky

64 parishes

Louisiana

Largest: East Baton Rouge Parish. Smallest: Tensas Parish.

Counties in Louisiana

16 counties

Maine

Largest: Cumberland County. Smallest: Piscataquis County.

Counties in Maine

24 county-level areas

Maryland

Largest: Montgomery County. Smallest: Kent County.

Counties in Maryland

14 counties

Massachusetts

Largest: Middlesex County. Smallest: Nantucket County.

Counties in Massachusetts

83 counties

Michigan

Largest: Wayne County. Smallest: Keweenaw County.

Counties in Michigan

87 counties

Minnesota

Largest: Hennepin County. Smallest: Traverse County.

Counties in Minnesota

82 counties

Mississippi

Largest: Hinds County. Smallest: Issaquena County.

Counties in Mississippi

115 county-level areas

Missouri

Largest: St. Louis County. Smallest: Worth County.

Counties in Missouri

56 counties

Montana

Largest: Yellowstone County. Smallest: Petroleum County.

Counties in Montana

93 counties

Nebraska

Largest: Douglas County. Smallest: Blaine County.

Counties in Nebraska

17 county-level areas

Nevada

Largest: Clark County. Smallest: Esmeralda County.

Counties in Nevada

10 counties

New Hampshire

Largest: Hillsborough County. Smallest: Coos County.

Counties in New Hampshire

21 counties

New Jersey

Largest: Bergen County. Smallest: Salem County.

Counties in New Jersey

33 counties

New Mexico

Largest: Bernalillo County. Smallest: Harding County.

Counties in New Mexico

62 counties

New York

Largest: Kings County. Smallest: Hamilton County.

Counties in New York

100 counties

North Carolina

Largest: Wake County. Smallest: Tyrrell County.

Counties in North Carolina

53 counties

North Dakota

Largest: Cass County. Smallest: Slope County.

Counties in North Dakota

88 counties

Ohio

Largest: Franklin County. Smallest: Vinton County.

Counties in Ohio

77 counties

Oklahoma

Largest: Oklahoma County. Smallest: Cimarron County.

Counties in Oklahoma

36 counties

Oregon

Largest: Multnomah County. Smallest: Wheeler County.

Counties in Oregon

67 counties

Pennsylvania

Largest: Philadelphia County. Smallest: Cameron County.

Counties in Pennsylvania

5 counties

Rhode Island

Largest: Providence County. Smallest: Bristol County.

Counties in Rhode Island

46 counties

South Carolina

Largest: Greenville County. Smallest: Allendale County.

Counties in South Carolina

66 counties

South Dakota

Largest: Minnehaha County. Smallest: Jones County.

Counties in South Dakota

95 counties

Tennessee

Largest: Shelby County. Smallest: Pickett County.

Counties in Tennessee

254 counties

Texas

Largest: Harris County. Smallest: Kenedy County.

Counties in Texas

29 counties

Utah

Largest: Salt Lake County. Smallest: Daggett County.

Counties in Utah

14 counties

Vermont

Largest: Chittenden County. Smallest: Essex County.

Counties in Vermont

133 county-level areas

Virginia

Largest: Fairfax County. Smallest: Highland County.

Counties in Virginia

39 counties

Washington

Largest: King County. Smallest: Garfield County.

Counties in Washington

55 counties

West Virginia

Largest: Kanawha County. Smallest: Wirt County.

Counties in West Virginia

72 counties

Wisconsin

Largest: Milwaukee County. Smallest: Menominee County.

Counties in Wisconsin

23 counties

Wyoming

Largest: Laramie County. Smallest: Niobrara County.

Counties in Wyoming

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