Cities & Towns in Columbia County, OR

Columbia County, county in Oregon, United States. As of 2020 county had an estimated population of 52,876 inhabitants. The county was created 170 years ago in 1854. Its county seat is St. Helens.

There are 1 city/town in Columbia County, OR. The largest city of Columbia County is Vernonia with a population of 2,295.

Vernonia
Vernonia

Vernonia, City in Oregon, USA

Nestled in northwest Oregon, Columbia County spans from the Portland suburbs to the Pacific Coast. Here are some highlights of the cities and towns found across Columbia County:

St. Helens

St. Helens is the county seat and largest city in Columbia County. It was established in the 1850s by Captain H.M. Knighton and named for Mount St. Helens. Key attractions include the Columbia County Courthouse, historic Houlton area, and events like Cruisin' the Gut.

Scappoose

Scappoose is a growing community along Highway 30 founded in the mid-1800s. Notable sites include the Scappoose Public Library in a historic Carnegie building and the Scappoose Heritage Museum. The city hosts community events like the Sauerkraut Festival.

Rainier

Rainier overlooks the Columbia River in the northcentral part of the county. It was incorporated in 1893 and named for Mount Rainier. The city has a historic downtown district, marina, and yearly events like Rainier Days.

Vernonia

Vernonia is nestled in the Nehalem River valley where settlers established sawmills in the late 1800s. The city has rebuilt after major flooding in 2007. Vernonia landmarks include the Pioneer Museum and Hands On Children's Museum.

Clatskanie

Clatskanie lies at the confluence of the Clatskanie and Columbia Rivers. It was developed as a shipping and lumber center after the arrival of the railroad in 1906. Historic sites include the IOOF Hall and Eagles Lodge built in the early 1900s.

All Columbia County Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in Columbia County.

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City Name Title Population
Vernonia City in Oregon, USA 2,295