Columbia County, Oregon
Columbia County: County in Oregon, United States
About
Columbia County is a county located in the U.S. state of Oregon. As of the 2010 census, the population was 49,351 and a population density of 28 people per km². After 10 years in 2020 county had an estimated population of 52,876 inhabitants. Its county seat is St. Helens. The county was created 170 years ago in 1853.
Quick Facts about Columbia County
| Population : | 52,876 (2020) |
| Country : | United States of America |
| State : | Oregon (United States) |
| Different from : | Columbia County, Columbia County, Columbia County, Columbia County, Columbia County, Columbia County, Columbia County |
| Area : | 1783 km2 |
| Water as percent of area : | 4.5% |
| Land as percent of area : | 95.5% |
| Named for : | Columbia River |
| Capital : | St. Helens |
| Establishment : | January 01, 1854 |
| Time Zone : | America/Los_Angeles |
| Local time : | 10:09:17 (21st December 2024) |
| Density : | 30 Pop. per km² as of 2020 |
| Population growth : | 6.67% (2010-2020) |
Geography
Columbia County is located at 45°56'38"N 123°5'17"W (45.9437700, -123.0880500). It has 7 neighbors: Clatsop County, Multnomah County, Tillamook County, Washington County, Clark County, Cowlitz County and Wahkiakum County.
Columbia County map
icon to open full mode. View satellite images
The largest city of Columbia County is Saint Helens with a population of 14,071. Other cities include, Scappoose population 7,618, Vernonia population 2,295, Columbia City population 2,022 and Rainier population 2,021. See all Columbia County cities & populated places.
Columbia County Populated Places
Cities, towns, neighborhoods & other populated places in Columbia County.
| City Name | Population | Title |
|---|---|---|
| Saint Helens | 14,071 | City in Oregon, USA |
| Scappoose | 7,618 | City in Oregon, USA |
| Vernonia | 2,295 | City in Oregon, USA |
| Columbia City | 2,022 | City in Oregon, USA |
| Rainier | 2,021 | City in Oregon, USA |
| Clatskanie | 1,832 | City in Oregon, USA |
| Prescott | 63 | City in Oregon, USA |
- Official Website
Official website of Columbia County
Columbia County has 7 neighbours.
- Clatsop County county in Oregon, United States
- Multnomah County county in Oregon, United States
- Tillamook County county in Oregon, United States
- Washington County county in Oregon, United States
- Clark County county in Washington, United States
- Cowlitz County county in the state of Washington, United States
- Wahkiakum County county in the state of Washington, United States
- St. Helens
Demographics
The population of Columbia County increased by 6.67% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 49,351 | - | census |
| 2011 | 49,406 | 0.11% | estimation process |
| 2012 | 49,214 | -0.39% | estimation process |
| 2013 | 49,259 | 0.09% | estimation process |
| 2014 | 49,494 | 0.47% | estimation process |
| 2015 | 49,646 | 0.31% | estimation process |
| 2016 | 50,905 | 2.47% | estimation process |
| 2017 | 51,724 | 1.58% | estimation process |
| 2018 | 52,245 | 1% | estimation process |
| 2019 | 52,354 | 0.21% | estimation process |
| 2020 | 52,876 | 0.99% | estimation process |
People born in Columbia County (1)
American actor Robert Cornthwaite was born in Columbia County
Other places with the same name (8)
- Columbia County , Georgia county in Oregon, United States with a population of 160,377 people.
- Columbia County , Florida county in Florida, United States with a population of 72,654 people.
- Columbia County , Pennsylvania county in Pennsylvania, United States with a population of 64,842 people.
- Columbia County , New York county in New York, United States with a population of 59,534 people.
- Columbia County , Wisconsin county in Wisconsin, United States with a population of 57,668 people.
- Columbia County , Arkansas county in Arkansas, United States with a population of 23,331 people.
- Columbia County , Washington county Washington, United States with a population of 4,048 people.
Oregon Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Multnomah County | 815,637 | County in Oregon, United States |
| Portland | 656,751 | The twenty-sixth most populous city in the United States and the center of the Portland metropolitan area. |
| Washington County | 603,514 | County in Oregon, United States |
| Clackamas County | 421,596 | County in Oregon, United States |
| Lane County | 382,986 | County in Oregon, United States |
| Marion County | 349,204 | County in Oregon, United States |
| Jackson County | 221,844 | County in Oregon, United States |
| Deschutes County | 201,769 | County in Oregon, United States |
| Salem | 175,891 | The capital of Oregon. |
| Eugene | 173,236 | The second most populous city in Oregon. |
| Linn County | 131,054 | County in Oregon, United States |
| Terrebonne | 117,664 | Census-designated place in Deschutes County, Oregon |
| Douglas County | 111,364 | County in Oregon, United States |
| Hillsboro | 110,985 | The most populous city in Washington County, Oregon. |
| Gresham | 110,031 | The second most populous city in Multnomah County, Oregon. |
| Yamhill County | 107,664 | County in Oregon, United States |
