Jefferson County, Oregon
Jefferson County | |
|---|---|
Jefferson County Courthouse in Madras | |
Location within the U.S. state of Oregon | |
Oregon's location within the U.S. | |
| Coordinates: 44°38′N 121°10′W / 44.63°N 121.17°W | |
| Country | United States |
| State | Oregon |
| Founded | December 12, 1914 |
| Named after | Mount Jefferson |
| Seat | Madras |
| Largest city | Madras |
| Area | |
• Total | 1,791 sq mi (4,640 km2) |
| • Land | 1,781 sq mi (4,610 km2) |
| • Water | 10 sq mi (30 km2) 0.6% |
| Population (2020) | |
• Total | 24,502 |
• Estimate (2024) | 25,536 |
| • Density | 12/sq mi (5/km2) |
| Time zone | UTC−8 (Pacific) |
| • Summer (DST) | UTC−7 (PDT) |
| Congressional districts | 2nd, 5th |
| Website | www |
Jefferson County is one of the 36 counties in the U.S. state of Oregon. At the 2020 census, the population was 24,502. The county seat is Madras. The county is named after Mount Jefferson, the second tallest mountain in Oregon.