Map of US Counties

Cimarron County is the westernmost county in the U.S. state of Oklahoma. Its county seat is Boise City. As of the 2020 census, its population was 2,296, making it the least-populous county in Oklahoma; and indeed, throughout most of its history, it has had both the smallest population and the lowest population density of any ... Read more

Harmon County is a county in the southwest corner of the U.S. state of Oklahoma. As of the 2010 Census, the population was 2,922, making it the second-least populous county in Oklahoma, behind only Cimarron County. It has lost population in every census since 1930. The county seat is Hollis. Harmon County overview: Name: Harmon ... Read more

Marshall County is a county located on the south central border of Oklahoma. As of the 2010 census, the population was 15,840. Its county seat is Madill. The county was created at statehood in 1907 from the former Pickens County of the Chickasaw Nation. It was named to honor the maiden name of the mother ... Read more

Pittsburg County is a county located in the U.S. state of Oklahoma. As of the 2010 census, the population was 45,837. Its county seat is McAlester. The county was formed from part of the Choctaw Nation in Indian Territory in 1907. County leaders believed that its coal production compared favorably with Pittsburgh, Pennsylvania at the ... Read more

Woodward County is a county located in the U.S. state of Oklahoma. As of the 2010 census, the population was 20,081. Its county seat is Woodward. Woodward County comprises the Woodward, OK Micropolitan Statistical Area. Woodward County was originally known as “N” County and was composed of present-day Woodward County and portions of Harper, Ellis, ... Read more

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

Fulton County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 14,556, making it the fourth-least populous county in Pennsylvania. Its county seat is McConnellsburg. The county was created on April 19, 1850, from part of Bedford County and named for inventor Robert Fulton. Fulton County overview: Name: ... Read more

Monroe County is a county in the Commonwealth of Pennsylvania. It is located in Northeastern Pennsylvania. As of the 2020 census, the population was 168,327. Its county seat is Stroudsburg. The county was formed from sections of Northampton and Pike counties on April 1, 1836. Named in honor of James Monroe, the fifth president of ... Read more

Venango County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 50,454. Its county seat is Franklin. The county was created in 1800 and later organized in 1805. Venango County comprises the Oil City, PA micropolitan statistical area. It is part of the Pittsburgh media market. Venango County ... Read more

Bamberg County is a county located in the southwestern portion of U.S. state of South Carolina. As of the 2020 census, the population was 13,311, making the rural county the fourth-least populous of any in South Carolina. Its county seat is Bamberg. Voorhees College, a historically black college, was established here in the late nineteenth ... Read more