Washington County, Minnesota

Washington County
Washington County Courthouse
Map of Minnesota highlighting Washington County
Location within the U.S. state of Minnesota
Map of the United States highlighting Minnesota
Minnesota's location within the U.S.
Coordinates: 45°02′N 92°53′W / 45.04°N 92.89°W / 45.04; -92.89
Country United States
State Minnesota
FoundedOctober 27, 1849[1]
Named forGeorge Washington
SeatStillwater
Largest cityWoodbury
Area
 • Total
423 sq mi (1,100 km2)
 • Land384 sq mi (990 km2)
 • Water38 sq mi (100 km2)  9.1%
Population
 (2020)
 • Total
267,568
 • Estimate 
(2023)
278,936 Increase
 • Density630/sq mi (240/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional districts2nd, 4th, 6th
Websitewww.co.washington.mn.us

Washington County is a county in the U.S. state of Minnesota. As of the 2020 census, the population was 267,568,[2] making it the fifth-most populous county in Minnesota. Its county seat is Stillwater.[3] The largest city in the county is Woodbury, the eighth-largest city in Minnesota and the fourth-largest Twin Cities suburb. Washington County is included in the Minneapolis-St. Paul-Bloomington, MN-WI Metropolitan Statistical Area.

The forested St. Croix River valley, looking south towards Afton
  1. ^ "Minnesota Place Names". Minnesota Historical Society. Retrieved March 19, 2014.
  2. ^ "State & County QuickFacts". United States Census Bureau. Retrieved April 10, 2023.
  3. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.