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Jefferson County, Oregon
County in Oregon, United States / From Wikipedia, the free encyclopedia
Jefferson County is one of the 36 counties in the U.S. state of Oregon. At the 2020 census, the population was 24,502.[1] The county seat is Madras.[2] The county is named after Mount Jefferson, the second tallest mountain in Oregon.[3]
Quick Facts Country, State ...
Jefferson County | |
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![]() 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 | |
Country | ![]() |
State | ![]() |
Founded | December 12, 1914 |
Named for | 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 (2023) | 25,454 ![]() |
• Density | 12/sq mi (5/km2) |
Time zone | UTC−8 (Pacific) |
• Summer (DST) | UTC−7 (PDT) |
Congressional districts | 2nd, 5th |
Website | www |
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