Washington County | |
|---|---|
 Washington County Courthouse in Weiser | |
 Seal | |
 Location within the U.S. state of Idaho | |
 Idaho's location within the U.S. | |
| Coordinates: 44°27′N 116°47′W / 44.45°N 116.78°W | |
| Country |  United States |
| State |  Idaho |
| Founded | February 20, 1879 |
| Named for | George Washington |
| Seat | Weiser |
| Largest city | Weiser |
| Area | |
• Total | 1,474 sq mi (3,820 km2) |
| • Land | 1,453 sq mi (3,760 km2) |
| • Water | 21 sq mi (50 km2) 1.4% |
| Population (2020) | |
• Total | 10,500 |
• Estimate (2023) | 11,425  |
| • Density | 7.1/sq mi (2.8/km2) |
| Time zone | UTC−7 (Mountain) |
| • Summer (DST) | UTC−6 (MDT) |
| Congressional district | 1st |
| Website | www |
Washington County is a county in the U.S. state of Idaho. As of the 2020 census, the population was 10,500.[1] The county seat and largest city is Weiser,[2] with over half of the county's population. The county was established in 1879 when Idaho was a territory and named after U.S. President George Washington.
- ^ "Washington County, Idaho". United States Census Bureau. Retrieved June 25, 2023.
- ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.