Idaho County, Idaho
Idaho County | |
|---|---|
Location within the U.S. state of Idaho | |
Idaho's location within the U.S. | |
| Coordinates: 45°51′N 115°28′W / 45.85°N 115.46°W | |
| Country | United States |
| State | Idaho |
| Founded | December 20, 1861 |
| Named after | Idaho |
| Seat | Grangeville |
| Largest city | Grangeville |
| Area | |
• Total | 8,503 sq mi (22,020 km2) |
| • Land | 8,477 sq mi (21,960 km2) |
| • Water | 26 sq mi (70 km2) 0.3% |
| Population (2020) | |
• Total | 16,541 |
• Estimate (2024) | 17,912 |
| • Density | 1.9/sq mi (0.75/km2) |
| Time zones | |
| North of Salmon River | UTC−8 (Pacific) |
| • Summer (DST) | UTC−7 (PDT) |
| South of Salmon River | UTC−7 (Mountain) |
| • Summer (DST) | UTC−6 (MDT) |
| Congressional district | 1st |
| Website | idahocounty |
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Idaho County is a county in the U.S. state of Idaho, and the largest by area in the state. As of the 2020 census, the population was 16,541. The county seat is Grangeville. Previous county seats of the area were Florence (1864–68), Washington (1868–75), and Mount Idaho (1875–1902).