Columbia County

Columbia County

  • Photos
  • Area
    1782
  • Population
    51,782 (2017)
  • County seat
    St. Helens
  • Points of interest
    Collin's Beach (clothing optional)
  • Did you know
    Columbia is the eighth-highest-income Oregon location by per capita income ($24,613).
Columbia County Profiles
  • About

    Columbia County is a county in the U. S. state of Oregon. As of the 2010 census, the population was 49,351. The county seat is St. Helens. It was named for the Columbia River, which forms its eastern and northern borders.

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