Benton County
Also known as Benton County, Oregon, Benton County, OR
county in Oregon, United States
Key facts
- Country
- United States
- State
- Oregon
- Founded
- December 23, 1847
- Named after
- Thomas H. Benton
- Seat
- Corvallis
- Largest city
- Corvallis
- Total
- 679 sq mi (1,760 km )
- Land
- 676 sq mi (1,750 km )
- Water
- 2.7 sq mi (7.0 km ) 0.4%
- Estimate 2025
- 97,728
- Density
- 127/sq mi (49/km )
- Time zone
- UTC−8 ( Pacific )
- Summer dst
- UTC−7 ( PDT )
Article
Map of Benton County
Benton County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 95,184. Its county seat is Corvallis. The county was named after Thomas Hart Benton, a U.S. Senator who advocated American control over the Oregon Country. Benton County is designated as the Corvallis, OR Metropolitan Statistical Area, which is included in the Portland–Vancouver–Salem, OR–WA Combined Statistical Area. It is in the Willamette Valley.