Washington County | |
|---|---|
 The Washington County Courthouse in Potosi | |
 Location within the U.S. state of Missouri | |
 Missouri's location within the U.S. | |
| Coordinates: 37°58′N 90°53′W / 37.97°N 90.88°W | |
| Country |  United States |
| State |  Missouri |
| Founded | August 21, 1813 |
| Named for | President George Washington |
| Seat | Potosi |
| Largest city | Potosi |
| Area | |
| • Total | 762 sq mi (1,970 km2) |
| • Land | 760 sq mi (2,000 km2) |
| • Water | 2.6 sq mi (7 km2) 0.3% |
| Population (2020) | |
| • Total | 23,514  |
| • Density | 31/sq mi (12/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 8th |
| Website | www |
Washington County is a county located in the southeastern part of the U.S. state of Missouri. As of the 2020 United States census, the population was 23,514.[1] The county seat and largest city is Potosi.[2] The county was officially organized on August 21, 1813, and was named in honor of George Washington, the first President of the United States.[3]
- ^ "Explore Census Data".
- ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
- ^ Eaton, David Wolfe (1918). How Missouri Counties, Towns and Streams Were Named. The State Historical Society of Missouri. p. 370.