Quick Facts
| County seat | Madras |
|---|---|
| Region | Central Oregon |
| Population (2020 Census) | 25,740 |
| Land & water area | 1,781 sq mi |
| Population density | 14.5 people per sq mi |
| Established | 1914 |
| Formed from | Crook County |
| Name origin | Named for the adjacent Mount Jefferson, itself named for President Thomas Jefferson. |
| Incorporated cities | 3 |
| Main electric utility | Pacific Power |
| FIPS code | 41031 |
| Official county website | co.jefferson.or.us |
About Jefferson County
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.
Source: adapted from Wikipedia, available under CC BY-SA 4.0.
Cities in Jefferson County
| City | Population (2020) | Incorporated |
|---|---|---|
| Madras ★ | 7,456 | 1910 |
| Culver | 1,602 | 1946 |
| Metolius | 978 | 1913 |
★ county seat. Cities that span more than one county are listed in each.