Tillamook County, Oregon

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Tillamook County
County
Tillamook County Courthouse in Tillamook
Location within the U.S. state of Oregon
Oregon's location within the U.S.
Coordinates: 45°28′N 123°42′W / 45.46°N 123.7°W / 45.46; -123.7
Country	United States
State	Oregon
Founded	December 15, 1853
Named for	Tillamook people
Seat	Tillamook
Largest city	Tillamook
Area
• Total	1,333 sq mi (3,450 km2)
• Land	1,103 sq mi (2,860 km2)
• Water	230 sq mi (600 km2)  17%
Population  (2020)
• Total	27,390
• Estimate  (2023)	27,417
• Density	23/sq mi (9/km2)
Congressional district	1st
Website	www.co.tillamook.or.us

Tillamook County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 27,390.^[1] The county seat is Tillamook.^[2] The county is named for the Tillamook or Killamook people, a Native American tribe who were living in the area in the early 19th century at the time of European American settlement. The county is located within Northwest Oregon.