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Columbia County
Sign in to saveAlso known as Columbia County, Oregon, Columbia County, OR
county in Oregon, United States
Key facts
- Country
- United States
- State
- Oregon
- Founded
- January 16, 1854
- Named after
- Columbia River
- Seat
- St. Helens
- Largest city
- St. Helens
- Total
- 688 sq mi (1,780 km )
- Land
- 657 sq mi (1,700 km )
- Water
- 31 sq mi (80 km ) 4.5%
- Estimate 2025
- 54,091
- Density
- 75/sq mi (29/km )
- Time zone
- UTC−8 ( Pacific )
- Summer dst
- UTC−7 ( PDT )
- Congressional district
- 1st
- Website
- www .columbiacountyor .gov
via Wikipedia infobox
Official website
Columbia County, Oregon Official Website - Home Page
The official website for the County of Columbia Oregon USA
co.columbia.or.us →Link to the official site · 2,023 chars · not written by Vinony
~13 min read
Encyclopedic overview
Columbia County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 52,589. The county seat is St. Helens.
History
Excerpted from Wikipedia’s “Columbia County” article, available under the CC BY-SA 4.0 licence.