Benton County, Oregon

Benton County
Benton County Courthouse in Corvallis
Location within the U.S. state of Oregon
Oregon's location within the U.S.
Coordinates: 44°29′25″N 123°25′57″W / 44.490277777778°N 123.4325°W / 44.490277777778; -123.4325
Country United States
State Oregon
FoundedDecember 23, 1847
Named afterThomas H. Benton
SeatCorvallis
Largest cityCorvallis
Area
  Total
679 sq mi (1,760 km2)
  Land676 sq mi (1,750 km2)
  Water2.7 sq mi (7 km2)  0.4%
Population
 (2020)
  Total
95,184
  Estimate 
(2024)
98,899
  Density127/sq mi (49/km2)
Time zoneUTC−8 (Pacific)
  Summer (DST)UTC−7 (PDT)
Congressional district4th
Websitewww.bentoncountyor.gov

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 PortlandVancouverSalem, OR–WA Combined Statistical Area. It is in the Willamette Valley.