Map of US Counties

Dallas County is a county located in the U.S. state of Arkansas. As of the 2020 census, the population was 6,482, making it the fourth-least populous county in Arkansas. The county seat is Fordyce. Dallas County is Arkansas’s 49th county, formed on January 1, 1845; it was named for George M. Dallas, 11th Vice President ... Read more

Johnson County is a county located in the U.S. state of Arkansas. As of the 2020 census, the population was 25,749. The county seat is Clarksville. Johnson County is Arkansas’s 30th county, formed on November 16, 1833, from a portion of Pope County and named for Benjamin Johnson, a Territorial Judge. It is an alcohol ... Read more

Ouachita County (/ˈwɑːʃɪtɑː/ WAH-shi-tah) is a county located in the south central part of the U.S. state of Arkansas. As of the 2020 census, the population was 22,650. The county seat is Camden. Ouachita County is part of the Camden, AR Micropolitan Statistical Area. Formed on November 29, 1842, the county is named for the ... Read more

Sharp County is a county located in the U.S. state of Arkansas. As of the 2020 census, the population was 17,271. The county seat is Ash Flat. The county was formed on July 18, 1868, and named for Ephraim Sharp, a state legislator from the area. Sharp County overview: Name: Sharp County FIPS code: 05-135 ... Read more

El Dorado County (/ˌɛl dəˈrɑːdoʊ/ (listen)), officially the County of El Dorado, is a county located in the U.S. state of California. As of the 2020 census, the population was 191,185. The county seat is Placerville. The County is part of the Sacramento–Roseville–Arden-Arcade, CA Metropolitan Statistical Area. It is located entirely in the Sierra Nevada, ... Read more

Modoc County (/ˈmoʊdɒk/ (listen)) is a county in the far northeast corner of the U.S. state of California. Its population is 8,700 as of the 2020 census, down from 9,686 from the 2010 census. This makes it California’s third-least populous county. The county seat and only incorporated city is Alturas. Previous county seats include Lake ... Read more

San Mateo County (/ˌsæn məˈteɪ.oʊ/ (listen) SAN mə-TAY-oh), officially the County of San Mateo, is a county located in the U.S. state of California. As of the 2020 census, the population was 764,442. Redwood City is the county seat, and the third most populated city following Daly City and San Mateo. San Mateo County is ... Read more

Yolo County (/ˈjoʊloʊ/ (listen); Wintun: Yo-loy), officially the County of Yolo, is a county located in the northern portion of the U.S. state of California. As of the 2020 census, the population was 216,403. Its county seat is Woodland. Yolo County is included in the Greater Sacramento metropolitan area and is located in the Sacramento ... Read more

Custer County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 4,704. The county seat is Westcliffe. Custer County overview: Name: Custer County FIPS code: 08-027 State: Colorado Founded: March 9, 1877 Named for: George Armstrong Custer Seat: Westcliffe Largest town: Silver Cliff Total Area: 740 sq mi ... Read more

Jefferson County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 582,910, making it the fourth-most populous county in Colorado. The county seat is Golden, and the most populous city is Lakewood. Jefferson County is included in the Denver–Aurora-Lakewood, CO Metropolitan Statistical Area. Located along the ... Read more

Ouray County /ˈjʊəreɪ/ is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 4,874. The county seat is Ouray. Because of its rugged mountain topography, Ouray County is also known as the Switzerland of America. Ouray County overview: Name: Ouray County FIPS code: 08-091 State: Colorado Founded: ... Read more

Weld County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 328,981. The county seat is Greeley. Weld County comprises the Greeley, CO Metropolitan Statistical Area, which is included in the Denver–Aurora, CO Combined Statistical Area. Weld County overview: Name: Weld County FIPS code: 08-123 State: ... Read more