Linn County, Oregon

Linn County
Linn County Courthouse in Albany
Location within the U.S. state of Oregon
Oregon's location within the U.S.
Coordinates: 44°38′N 123°05′W / 44.63°N 123.09°W / 44.63; -123.09
Country United States
State Oregon
FoundedDecember 28, 1847
Named afterLewis F. Linn
SeatAlbany
Largest cityAlbany
Area
  Total
2,309 sq mi (5,980 km2)
  Land2,290 sq mi (5,900 km2)
  Water19 sq mi (50 km2)  0.8%
Population
 (2020)
  Total
128,610
  Estimate 
(2024)
132,474
  Density56/sq mi (22/km2)
Time zoneUTC−8 (Pacific)
  Summer (DST)UTC−7 (PDT)
Congressional districts4th, 5th
Websitewww.co.linn.or.us

Linn County is one of the 36 counties in the U.S. state of Oregon. As of the 2023 census population estimates, the population was 131,496. The county seat is Albany. The county is named in the honor of Lewis F. Linn, a U.S. Senator from Missouri who advocated the American settlement of the Oregon Country. Linn County comprises the Albany, OR Metropolitan Statistical Area, which is included in the Portland-Vancouver-Salem, OR-WA Combined Statistical Area. It is located in the Willamette Valley. In 2010, the center of population of Oregon was located in Linn County, near the city of Lyons.