Coos County, Oregon

Coos County
County
Historic Coos Bay National Bank Building.
Location within the U.S. state of Oregon
Oregon's location within the U.S.
Coordinates: 43°11′N 124°05′W / 43.18°N 124.09°W / 43.18; -124.09
Country	United States
State	Oregon
Founded	December 22, 1853
Named for	Coos people
Seat	Coquille
Largest city	Coos Bay
Area
• Total	1,806 sq mi (4,680 km2)
• Land	1,596 sq mi (4,130 km2)
• Water	210 sq mi (500 km2)  12%
Population  (2020)
• Total	64,929
• Estimate  (2023)	64,212
• Density	39/sq mi (15/km2)
Time zone	UTC−8 (Pacific)
• Summer (DST)	UTC−7 (PDT)
Congressional district	4th
Website	www.co.coos.or.us

Coos County (/kuːs/ KOOSS) is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 64,929.^[1] The county seat is Coquille.^[2] The county was formed from the western parts of Umpqua and Jackson counties. It is named after a tribe of Native Americans who live in the region. Coos County comprises the Coos Bay, OR Micropolitan Statistical Area.