Benton County, Oregon

County seat: Corvallis · Willamette Valley region · 5 incorporated cities

Quick Facts

County seatCorvallis
RegionWillamette Valley
Population (2020 Census)97,728
Land & water area676 sq mi
Population density144.6 people per sq mi
Established1847
Formed fromPolk County
Name originNamed for Thomas Hart Benton, senator and advocate of U.S. annexation of the Oregon Country.
Incorporated cities5
Main electric utilityPacific Power
FIPS code41003
Official county websiteco.benton.or.us

About 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.

Source: adapted from Wikipedia, available under CC BY-SA 4.0.

Benton County, Oregon
Image: Wikimedia Commons (see file page for author and license)

Cities in Benton County

CityPopulation (2020)Incorporated
Corvallis ★59,9221857
Albany56,4721864
Philomath5,3501882
Adair Village9941976
Monroe6471914

★ county seat. Cities that span more than one county are listed in each.

Official & Helpful Links

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