Washington County, Wisconsin

Washington County
Location within the U.S. state of Wisconsin
Wisconsin's location within the U.S.
Coordinates: 43°22′N 88°14′W / 43.37°N 88.23°W / 43.37; -88.23
Country United States
State Wisconsin
Founded1836
Named afterGeorge Washington
SeatWest Bend
Largest cityWest Bend
Government
  County ExecutiveJosh Schoemann
Area
  Total
436 sq mi (1,130 km2)
  Land431 sq mi (1,120 km2)
  Water5.0 sq mi (13 km2)  1.2%
Population
 (2020)
  Total
136,761
  Estimate 
(2023)
138,168
  Density310/sq mi (120/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district5th
Websitewww.washcowisco.gov

Washington County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 136,761. Its county seat is West Bend. The county was created from Wisconsin Territory in 1836 and organized in 1845. It was named after President George Washington. Washington County is part of the Milwaukee metropolitan area.