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Welcome to Columbia County ...

Time Zone: Columbia County lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time.

The community of Saint Helens is the Seat for Columbia County.

Columbia County was founded in 1854 and was created by taking area from Washington County.

From the Census Estimates for 2019, <1> Columbia had a population of 52,354 people. This is an increase of 6.08% since the last Census (which gave a population of 49,355 people in 2010).

At the time of the 2010 Census, Columbia represented 1.29% of the total population of Oregon.

Below are some of the communities located in Columbia County:

  • Clatskanie
    (15 miles [24.1 km] to the northwest)
  • Columbia City
    (9 miles [14.5 km] to the east)
  • Prescott
    (9 miles [14.5 km] to the northeast)
    • Prescott is located in Columbia County (OR)
    • Jump to our Gazetteer entry for Prescott
    • Population from the 2020 Census: 63 people
  • Rainier
    (11 miles [17.7 km] to the north)
    • Rainier is located in Columbia County (OR)
    • Jump to our Gazetteer entry for Rainier
    • Population from the 2020 Census: 2,021 people
    • Jump to TripAdvisor's Tourism page for Rainier <2>
  • Saint Helens
    (10 miles [16.1 km] to the southeast)
  • Scappoose
    (13 miles [20.9 km] to the southeast)
  • Vernonia
    (9 miles [14.5 km] to the southwest)
    • Vernonia is located in Columbia County (OR)
    • Jump to our Gazetteer entry for Vernonia
    • Population from the 2020 Census: 2,295 people
    • Jump to TripAdvisor's Tourism page for Vernonia <2>

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.