Clatsop County, Oregon

Clatsop County, Oregon
Clatsop County Courthouse in Astoria
Location within the U.S. state of Oregon
Coordinates: 46°01′N 123°43′W / 46.01°N 123.71°W / 46.01; -123.71
Country United States
State Oregon
FoundedJune 22, 1844
Named afterClatsop Tribe
SeatAstoria
Largest cityAstoria
Area
 • Total
1,084 sq mi (2,810 km2)
 • Land829 sq mi (2,150 km2)
 • Water255 sq mi (660 km2)  24%
Population
 (2020)
 • Total
41,072
 • Estimate 
(2024)
41,043
 • Density38/sq mi (15/km2)
Congressional district1st
Websitewww.co.clatsop.or.us

Clatsop County (/ˈklætsəp/) is the northernmost county in the U.S. state of Oregon. As of the 2020 census, the population was 41,072. The county seat is Astoria. The county is named for the Clatsop tribe of Native Americans, who lived along the coast of the Pacific Ocean prior to European settlement. Clatsop County comprises the Astoria, OR Micropolitan Statistical Area, or Sunset Empire, and is located in Northwest Oregon.