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Washington County, Missouri

Washington County is a county located in the eastern portion of the U.S. state of Missouri. As of the 2010 census, the population was 25,195. The largest city and county seat is Potosi. The county was officially organized on August 21, 1813, and was named in honor of George Washington, the first President of the United States.

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Maps for Washington County

The following maps are available for Washington County:

Washington County:

  • Aerial Photos
  • Cities
  • County
  • Parcels
  • Roads
  • Rivers
  • Mineral Rights
  • School Districts
  • Fire Districts
  • Ambulance Districts
  • Political Districts

Other Data for Washington County

County: Washington

County Seat: Potosi

Populations (2010 Census)

  • Washington County - 25,195
  • Caledonia - 130
  • Irondale - 445
  • Mineral Point - 351
  • Potosi - 2,660