Wasco County, Oregon

Wasco County
Wasco County Courthouse in The Dalles
Wasco County Courthouse in The Dalles
Map of Oregon highlighting Wasco County
Location within the U.S. state of Oregon
Map of the United States highlighting Oregon
Oregon's location within the U.S.
Coordinates: 45°10′N 121°10′W / 45.16°N 121.16°W / 45.16; -121.16
Country United States
State Oregon
FoundedJanuary 11, 1854
Named forWasco people
SeatThe Dalles
Largest cityThe Dalles
Area
 • Total
2,395 sq mi (6,200 km2)
 • Land2,382 sq mi (6,170 km2)
 • Water14 sq mi (40 km2)  0.6%
Population
 (2020)
 • Total
26,670
 • Estimate 
(2023)
26,333 Decrease
 • Density11/sq mi (4.3/km2)
Time zoneUTC−8 (Pacific)
 • Summer (DST)UTC−7 (PDT)
Congressional district2nd
Websiteco.wasco.or.us

Wasco County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 25,213.[1] Its county seat is The Dalles.[2] The county is named for a local tribe of Native Americans, the Wasco, a Chinook tribe who live on the south side of the Columbia River. It is near the Washington state line. Wasco County comprises The Dalles Micropolitan Statistical Area.

  1. ^ "State & County QuickFacts". United States Census Bureau. Retrieved May 17, 2023.
  2. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.