Clatsop Oregon Foreclosures
Incorporated cities
Unincorporated communities
The Lewis and Clark Expedition stayed for the winter of 1805-6 in the area of the future county at Fort Clatsop. Astoria, Oregon's oldest city, was established as a fur trading post in 1811 and named after John Jacob Astor.
Clatsop County was created from the northern and western portions of the original Twality District on June 22, 1844. Until the creation of Vancouver County five days later, Clatsop County extended north across the Columbia into present-day Washington. The Provisional and Territorial Legislatures further altered Clatsop County's boundaries in 1845 and 1853.
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