Benton County, Oregon

county in Oregon, United States

Benton County is a county in the U.S. state of Oregon. As of the 2020 census, the population was 95,184.[1] Its county seat is Corvallis.[2]

Benton County
Benton County Courthouse in Corvallis
Benton County Courthouse in Corvallis
Map of Oregon highlighting Benton County
Location within the U.S. state of Oregon
Map of the United States highlighting 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 forThomas H. Benton
Largest cityCorvallis
 • Total679 sq mi (1,760 km2)
 • Land676 sq mi (1,750 km2)
 • Water2.7 sq mi (7 km2)  0.4%
 • Total95,184
 • Density127/sq mi (49/km2)
Time zoneUTC−8 (Pacific)
 • Summer (DST)UTC−7 (PDT)
Congressional district4th


  1. "QuickFacts: Benton County, Oregon". United States Census Bureau. Retrieved January 20, 2024.
  2. National Association of Counties. "NACo County Explorer". Retrieved January 20, 2024.