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Benton County, Oregon

Benton County, Oregon
Benton County Courthouse Greg Keene.jpg
Benton County Courthouse in Corvallis
Map of Oregon highlighting Benton County
Location in the U.S. state of Oregon
Map of the United States highlighting Oregon
Oregon's location in the U.S.
Founded December 23, 1847
Seat Corvallis
Largest city Corvallis
Area
 • Total 679 sq mi (1,759 km2)
 • Land 676 sq mi (1,751 km2)
 • Water 2.7 sq mi (7 km2), 0.4%
Population (est.)
 • (2015) 87,572
 • Density 127/sq mi (49/km²)
Congressional districts 4th, 5th
Time zone Pacific: UTC-8/-7
Website www.co.benton.or.us

Benton County is a county in the U.S. state of Oregon. As of the 2010 census, the population was 85,579. 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.

Benton County was created on December 23, 1847 by an act of the Provisional Government of Oregon. The county was named after Democratic Senator Thomas Hart Benton of Missouri, an advocate of the doctrine of Manifest Destiny and the belief that the American government should control the whole of the Oregon Country. At the time of its formation the county included all the country west of the Willamette River, south of Polk County and running all the way to the California border in the south and the Pacific Ocean in the west.


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