Garfield County, Washington
| Garfield County | |
|---|---|
| Garfield County Courthouse in Pomeroy | |
| Location within the U.S. state of Washington | |
| Washington's location within the U.S. | |
| Coordinates: 46°26′N 117°32′W / 46.43°N 117.53°W | |
| Country | United States | 
| State | Washington | 
| Founded | November 29, 1881 | 
| Named after | James A. Garfield | 
| Seat | Pomeroy | 
| Largest city | Pomeroy | 
| Area | |
|  • Total | 718 sq mi (1,860 km2) | 
| • Land | 711 sq mi (1,840 km2) | 
| • Water | 7.5 sq mi (19 km2) 1.0% | 
| Population  (2020) | |
|  • Total | 2,286 | 
|  • Estimate  (2024) | 2,404 | 
| • Density | 3.1/sq mi (1.2/km2) | 
| Time zone | UTC−8 (Pacific) | 
| • Summer (DST) | UTC−7 (PDT) | 
| Congressional district | 5th | 
| Website | www | 
Garfield County is a county located in the U.S. state of Washington. As of the 2020 census, the population was 2,286, making it the least populous county in Washington; with about 3.2 inhabitants per square mile (1.2/km2), it is also the least densely populated county in Washington. The county seat and only city is Pomeroy.