Columbia County, Oregon Genealogy

United States &gt; Oregon &gt; Columbia County

County Courthouse
230 Strand Street St. Helens, OR 97051

History



 * Named for the Columbia River, which forms the northern and eastern boundaries.

Parent County

 * Created 16 January 1854 from Washington County.

Boundary Changes

 * No parts were taken to create any county.

Neighboring Counties
Clatsop | Multnomah | Washington | Washington counties: Cowlitz | Clark | Wahkiakum

Websites

 * The Columbia County GenWeb Project part of The ORGenWeb Project, a state project affiliated with The USGenWeb Project
 * The USGenWeb Archives Project for Columbia County
 * The USGenWeb Archives Project for Columbia County (mirror site)
 * FamilySearch.org Family History Library Catalog for Columbia County