The Lewis and Clark Expedition stayed for the winter of 1805–06 in the area, establishing Fort Clatsop as one of the earliest American structures on the west coast of North America. Astoria, Oregon's oldest settlement… 詳細

According to the United States Census Bureau, the county has a total area of 1,084 square miles (2,810 km ), of which 829 square miles (2,150 km ) is land and 255 square miles (660 km ) (24%) is water. The highest poin… 詳細

Clatsop County is home to a number of plant species that are rare or endemic, including Agrostis swalalahos, Cardamine pattersonii, Carex macrochaeta, Castilleja chambersii, Erigeron peregrinus var. peregrinus, and … 詳細

As of the 2010 census, there were 37,039 people, 15,742 households, and 9,579 families living in the county. The population density was 44.7 inhabitants per square mile (17.3/km ). There were 21,546 housing units at an avera… 詳細

The principal industries of Clatsop County are manufacturing, travel (primarily tourism), and trade. Fishing and timber are still important but contribute proportionally less to the county's employment and income than the… 詳細