File:MadrasJeffersoncourthouse.jpg · Wikimedia Commons · See Wikimedia Commons
Jefferson County
Sign in to saveAlso known as Jefferson County, Oregon, Jefferson County, OR
county in Oregon, United States
Key facts
- Country
- United States
- State
- Oregon
- Founded
- December 12, 1914
- Named after
- Mount Jefferson
- Seat
- Madras
- Largest city
- Madras
- Total
- 1,791 sq mi (4,640 km )
- Land
- 1,781 sq mi (4,610 km )
- Water
- 10 sq mi (26 km ) 0.6%
- Estimate 2025
- 25,740
- Density
- 12/sq mi (4.6/km )
- Time zone
- UTC−8 ( Pacific )
- Summer dst
- UTC−7 ( PDT )
- Congressional districts
- 2nd , 5th
- Website
- www .co .jefferson .or .us
via Wikipedia infobox
Wikidata facts
- Population
- 24502
- Area
- 4639
- Official website
- www.co.jefferson.or.us
- Image
- MadrasJeffersoncourthouse.jpg
- Households
- 8395
Show 5 more facts
- Commons category
- Jefferson County, Oregon
- inception
- 1914-00-00
- water as percent of area
- 0.6
- native label
- Jefferson County
- per capita income
- 26177
Sources (8)
via Wikidata · CC0
~10 min read
Article
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.
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