Linn County, Kansas

Linn County
Linn County Courthouse in Mound City (2020)
Location within the U.S. state of Kansas
Kansas's location within the U.S.
Coordinates: 38°13′00″N 94°51′00″W / 38.2167°N 94.85°W / 38.2167; -94.85
Country United States
State Kansas
FoundedFebruary 26, 1867
Named afterLewis F. Linn
SeatMound City
Largest cityPleasanton
Area
  Total
606 sq mi (1,570 km2)
  Land594 sq mi (1,540 km2)
  Water12 sq mi (30 km2)  2.0%
Population
 (2020)
  Total
9,591
  Estimate 
(2023)
9,860
  Density16/sq mi (6.1/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district2nd
WebsiteLinnCountyKS.com

Linn County is a county in the U.S. state of Kansas, located along the eastern edge of Kansas, and is part of the Kansas City metropolitan area. Its county seat is Mound City, and its most populous city is Pleasanton. As of the 2020 census, the county population was 9,591. The county was named for Lewis Linn, a U.S. Senator from Missouri.