Washington County | |
|---|---|
 Washington County Courthouse | |
 Location within the U.S. state of Iowa | |
 Iowa's location within the U.S. | |
| Coordinates: 41°20′05″N 91°43′11″W / 41.334722222222°N 91.719722222222°W | |
| Country |  United States |
| State |  Iowa |
| Founded | January 18, 1838 |
| Named for | George Washington |
| Seat | Washington |
| Largest city | Washington |
| Area | |
• Total | 571 sq mi (1,480 km2) |
| • Land | 569 sq mi (1,470 km2) |
| • Water | 2.1 sq mi (5 km2) 0.4% |
| Population (2020) | |
• Total | 22,565 |
• Estimate (2023) | 22,560  |
| • Density | 40/sq mi (15/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 2nd |
| Website | washingtoncounty |
Washington County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 22,565.[1] The county seat is Washington.[2] Washington County is included in the Iowa City Metropolitan Statistical Area.[3]
- ^ "2020 Census State Redistricting Data". census.gov. United states Census Bureau. Retrieved August 12, 2021.
- ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
- ^ United States Office of Management and Budget. "Update of Statistical Area Definitions and Guidance on Their Uses" (PDF). pp. 5, 36. Archived from the original (PDF) on May 14, 2006. Retrieved July 21, 2006.