Tillamook -- U.S. County in Oregon Population (2000): 24262 Housing Units (2000): 15906 Land area (2000): 1102.145724 sq. miles (2854.544200 sq. km) Water area (2000): 230.631900 sq. miles (597.333853 sq. km) Total area (2000): 1332.777624 sq. miles (3451.878053 sq. km) Located within: Oregon (OR), FIPS 41 Location: 45.478795 N, 123.780186 W Headwords: Tillamook Tillamook, OR Tillamook County Tillamook County, OR