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Home > Local > Counties > Columbia County

Columbia County

A veterans' memorial at Copes Park in Clatskanie.

A veterans' memorial at Copes Park in Clatskanie. (Oregon State Archives Photo)

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County Seat: Courthouse, 230 Strand St., St. Helens 97051
Phone: 503-397-3796 (General); 503-397-2327 (Court Administrator)
Fax: 503-397-7266


Population (2016): 50,795
Established: Jan. 16, 1854
Elev. at St. Helens: 42'
Area: 687 sq. mi.
Average Temp.: January 39.0° July 68.4°
Assessed Value: $4,911,758,978
Real Market Value: $7,376,616,652
Annual Precipitation: 44.60"
Economy: Agriculture, forest products, manufacturing, surface mining and tourism


Columbia County map

Related resources
Historical Records Inventory
Scenic Image
"County QuickFacts" (population and economic data from U.S. Census Bureau)
County Seat Map (from Yahoo! Maps)
County Map (from ODOT)


Incorporated cities
Clatskanie | Columbia City | Prescott | Rainier | Scappoose | St. Helens | Vernonia


Points of interest
Lewis and Clark Heritage Canoe Trail, Vernonia–Banks State Trail, Jewell Elk Refuge, Sauvie Island Wildlife Area, Sand Island Park, Jones Beach near Clatskanie, Prescott Beach Park, Vernonia Golf Course, Lewis and Clark Bridge at Rainier, Columbia County Fairgrounds


History and general information
The county has 62 miles of Columbia riverfront and contains deep water ports and some of the finest industrial property in the Pacific Northwest. The Columbia River is a major route for ocean-going vessels and is a popular playground for fishing, boating, camping and windsurfing. The county has two marine parks, Sand Island and J. J. Collins Memorial Marine Park. Columbia County has a strong economic and cultural heritage centered around industries such as forest products, shipbuilding, mining and agriculture. The rural lifestyle and scenic beauty of Columbia County, coupled with its proximity to Portland, have drawn many new residents to the area.


County officials
Commissioners—Henry Heimuller 2019, Margaret Magruder 2021, Alex Tardiff 2021; Dist. Atty. Steve Atchison 2019; Assess. Sue Martin 2019; Clerk Betty Huser 2019; Justice of the Peace Wally Thompson 2019; Sheriff Jeff Dickerson 2021; Surv. Nathan Woodward; Treas. Jennifer Cuellar-Smith 2021


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