Columbia County, Washington
county in Washington, United States
Columbia County is a county in the U.S. state of Washington. The county seat is Dayton. 3,952 people lived there at the 2020 census[1] which makes it the third-least populous county in Washington. The county was created out of Walla Walla County on November 11, 1875[2] and is named after the Columbia River.
Columbia County | |
|---|---|
.jpg) Columbia County Courthouse in Dayton | |
 Location within the U.S. state of Washington | |
 Washington's location within the U.S. | |
| Coordinates: 46°18′N 117°55′W / 46.3°N 117.92°W | |
| Country |  United States |
| State |  Washington |
| Founded | November 11, 1875 |
| Named for | Columbia River |
| Seat | Dayton |
| Largest city | Dayton |
| Area | |
| • Total | 873 sq mi (2,260 km2) |
| • Land | 869 sq mi (2,250 km2) |
| • Water | 4.9 sq mi (13 km2) 0.6% |
| Population (2020) | |
| • Total | 3,952 |
| • Density | 4.6/sq mi (1.8/km2) |
| Time zone | UTC−8 (Pacific) |
| • Summer (DST) | UTC−7 (PDT) |
| Congressional district | 5th |
| Website | www |
References
change- ↑ "QuickFacts: Columbia County, Washington". United States Census Bureau. Retrieved January 20, 2024.
- ↑ "Milestones for Washington State History — Part 2: 1851 to 1900". HistoryLink.org. March 6, 2003.
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