| Clatsop County Oregon Cities/Towns - Astoria (County Seat), Cannon Beach, Gearhart, Seaside, Warrenton |
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Your Ad Here Clatsop County is a county located in the U.S. state of Oregon. As of 2000, the population was 35,630. The county seat is Astoria. History The county is named for the Clatsop tribe of Native Americans, who lived along the coast of the Pacific Ocean prior to European settlement. ![]() |