United States

Oklahoma

List of Counties in Oklahoma The state of Oklahoma has 77 counties in total. Beaver County is the oldest (founded in 1890), while Cotton County is the youngest (established in 1912). Oklahoma County is the most populous, with a population of 718,633. Osage County (5,830 km2) has the most land area, while Marshall County has …

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Ohio

List of Counties in Ohio The state of Ohio is divided into 88 counties. Washington County is the oldest (founded in 1788), while Noble County is the youngest (established in 1851). Franklin County is the most populous, with a population of 1,264,518 people. Ashtabula County has the most land area (1,819 km2), while Lake County …

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North Dakota

List of Counties in North Dakota The state of North Dakota has a total of 53 counties. Pembina County is the oldest (founded in 1867), while Grant County is the youngest (established in 1916). Cass County is the most populous, with a population of 149,778 people. McKenzie County (7,102 km2) has the largest land area, …

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North Carolina

List of Counties in North Carolina The state of North Carolina has a total of 101 counties. Chowan County is the oldest (founded in 1668), while Avery County is the youngest (established in 1911). Mecklenburg County is the most populous, with a population of 1,034,290 people. Dare County has the most land area (4,046 km2), …

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New York

List of Counties in New York The state of New York is divided into 62 counties. Albany County is the oldest (formed in 1683), while Bronx County is the newest (established in 1914). Kings County is the most populous, with a population of 2,504,700 people. St. Lawrence County (7,306 km2) has the largest land area, …

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New Mexico

List of Counties in New Mexico The state of New Mexico is divided into 32 counties. Bernalillo County is the oldest (formed in 1852) while Cibola County is the youngest (established in 1981). Bernalillo County is the most populous, with a population of 670,968 people. Catron County has the most land area (17,943 km2), while …

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New Jersey

List of Counties in New Jersey The state of New Jersey is divided into 21 counties. Bergen County is the oldest (founded in 1683), while Union County is the newest (established in 1857). Bergen County is the most populous, with a population of 905,116 people. Burlington County has the most land area (2,085 km2), while …

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New Hampshire

List of Counties in New Hampshire The state of New Hampshire is divided into ten counties. Cheshire County is the oldest (founded in 1769), while Belknap County is the youngest (established in 1840). Hillsborough County is the most populous, with a population of 406,678 people. Coos County has the most land area (4,665 km2), while …

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Nevada

List of Counties in Nevada The state of Nevada has 17 counties in total. Churchill County is the oldest (created in 1861) while Carson City is the most recent (established in 1969). With a population of 2,204,079 inhabitants, Clark County is the most populous. The county with the biggest land area is Nye County (47,001 …

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Nebraska

List of Counties in Nebraska The state of Nebraska has 93 counties in total. Burt County is the oldest (formed in 1854) while Garden County is the youngest (established in 1910). Douglas County is the most populous, with a population of 537,256 people. Cherry County has the most land area (15,439 km2), while Sarpy County …

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