Tillamook County is located in the U.S. state of Oregon. The county seat is Tillamook. The county is named for the Tillamook, a Native American tribe who were the original inhabitants of the area.

Tillamook County is part of the Portland-Vancouver-Hillsboro, OR-WA Metropolitan Statistical Area. It is located on the Pacific Ocean, approximately 50 miles (80 km) west of Portland.

The county government is headquartered in the Tillamook County Courthouse in Tillamook. The county is governed by a board of commissioners, which consists of three members elected from each of the three commissioner districts. The county is also served by a sheriff, district attorney, and other elected officials.

The county is home to several state parks, including Cape Lookout State Park, Nehalem Bay State Park, and Oswald West State Park. It is also home to the Tillamook Air Museum, which houses a collection of vintage aircraft.

For the most up-to-date and in-depth information, please check the public records links below.