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County
Also known as:
Parish (Louisiana)
Borough (Alaska)
City-County
Usa counties large.svg
CategorySecond-level administrative division
LocationStates, federal district and territories of the United States of America
Found inState
Number3,243 (including 136 county equivalents in the 50 states and the District of Columbia, and the 100 county equivalents in the U.S. territories)
PopulationsGreatest: Los Angeles County, California—10,039,107 (2019)
Least: Kalawao County, Hawaii—86 (2019)
8 entities[a] (county equivalents)—0 (2019)
Average: 104,435 (2019)
AreasLargest: San Bernardino County, California—20,057 sq mi (51,950 km2)
Yukon–Koyukuk Census Area, Alaska (county equivalent)—145,505 sq mi (376,860 km2)
Smallest: Kalawao County, Hawaii—12 sq mi (31 km2)
Falls Church, Virginia (county equivalent)—2 sq mi (5.2 km2)
Smallest (including territories): Kingman Reef (county equivalent)—0.01 sq mi (0.026 km2)[1][2]
Average: 1,208 sq mi (3,130 km2)
GovernmentGroups:

County commission, Board of Commissioners, Board of Supervisors (AZ, CA, IA, MS, VA, WI) County council (WA), Commissioners' Court (TX), Board of chosen freeholders (NJ), Fiscal Court (KY), Police Jury (LA)
Individuals:

County executive, County manager, Sole commissioner (GA), County mayor, County administrator, County Judge
SubdivisionsTownship, County commission, Board of Commissioners, Board of Supervisors (AZ, CA, IA, MS, VA, WI) County council (WA), Commissioners' Court (TX), Board of chosen freeholders (NJ), Fiscal Court (KY), Police Jury (LA)
Individuals:

County executive, County manager, Sole commissioner (GA), County mayor, County administrator, County Judge
SubdivisionsTownship, City, Hundred