Map of US Counties

Jefferson County is one of the 36 counties in the U.S. state of Oregon. At the 2020 census, the population was 24,502. The county seat is Madras. The county is named after Mount Jefferson. Jefferson County overview: Name: Jefferson County FIPS code: 41-031 State: Oregon Founded: December 12, 1914 Named for: Mount Jefferson Seat: Madras ... Read more

Wallowa County (/wəˈlaʊwə/) is the northeastern most county in the U.S. state of Oregon. As of the 2020 census, the population was 7,391, making it Oregon’s fifth-least populous county. Its county seat is Enterprise. According to Oregon Geographic Names, the origins of the county’s name are uncertain, with the most likely explanation being it is ... Read more

Cameron County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 4,547 and is Pennsylvania’s least populous county. Its county seat is Emporium. The county was created on March 29, 1860, from parts of Clinton, Elk, McKean, and Potter Counties. It is named for Senator Simon Cameron. Cameron ... Read more

Franklin County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 155,932 Its county seat is Chambersburg. Franklin County comprises the Chambersburg–Waynesboro, PA Metropolitan Statistical Area, which is also included in the Washington–Baltimore combined statistical area. It lies to a large extent within the Cumberland Valley. Franklin County ... Read more

Mifflin County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 46,143. Its county seat is Lewistown. The county was created on September 19, 1789, from parts of Cumberland County and Northumberland County. It was named for Thomas Mifflin, the first Governor of Pennsylvania. Mifflin County comprises the ... Read more

Union County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 42,681. Its county seat is Lewisburg. The county was created on March 22, 1813, from part of Northumberland County. Its name is an allusion to the federal Union. Mifflinburg was established by legislation as the first county ... Read more

Anderson County is a county located in the U.S. state of South Carolina. As of the 2020 census, its population was 203,718. Its county seat is Anderson. Named for Revolutionary War leader Robert Anderson, the county is located in northwestern South Carolina, along the state line of Georgia. Anderson County is included in the Greenville-Anderson-Mauldin, ... Read more

Fairfield County is a county located in the U.S. state of South Carolina. As of the 2020 census, its population was 20,948. Its county seat is Winnsboro. Fairfield County is part of the Columbia, SC Metropolitan Statistical Area. Fairfield County overview: Name: Fairfield County FIPS code: 45-039 State: South Carolina Founded: 1785 Named for: Comment ... Read more

Newberry County is a county located in the U.S. state of South Carolina. As of the 2020 census, its population was 37,719. Its county seat is Newberry. The name is of unknown origin. Newberry County comprises the Newberry, SC Micropolitan Statistical Area Newberry County overview: Name: Newberry County FIPS code: 45-071 State: South Carolina Founded: ... Read more

Brown County is a county in the U.S. state of South Dakota. As of the 2020 United States Census, the population was 38,301, making it the fourth-most populous county in South Dakota. Its county seat is Aberdeen. The county is named for Alfred Brown, of Hutchinson County, South Dakota, a Dakota Territory legislator in 1879. ... Read more

Edmunds County is a county in the U.S. state of South Dakota. At the 2020 census, the population was 3,986. Its county seat is Ipswich. The county was established in 1873 and organized in 1883. It is named for Newton Edmunds, the second Governor of Dakota Territory. Edmunds County is part of the Aberdeen, SD ... Read more

Kingsbury County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 5,187. Its county seat is De Smet. The county was created in 1873, and was organized in 1880. It was named for brothers George W. and T. A. Kingsbury, descendants of the colonial English Kingsbury ... Read more