Washington County, Kansas

Washington County
Location within the U.S. state of Kansas
Kansas's location within the U.S.
Coordinates: 39°48′N 97°06′W / 39.800°N 97.100°W / 39.800; -97.100
Country United States
State Kansas
FoundedFebruary 20, 1857
Named afterGeorge Washington
SeatWashington
Largest cityWashington
Area
  Total
899 sq mi (2,330 km2)
  Land895 sq mi (2,320 km2)
  Water3.9 sq mi (10 km2)  0.4%
Population
 (2020)
  Total
5,530
  Estimate 
(2023)
5,504
  Density6.2/sq mi (2.4/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Area code785
Congressional district1st
WebsiteWashingtonCountyKS.gov

Washington County is a county located in the U.S. state of Kansas. Its county seat and largest city is Washington. As of the 2020 census, the county population was 5,530. The county was named for George Washington, the 1st president of the United States.