Columbia County Map, Washington

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Columbia County, Washington

Columbia County sits in the southeastern part of Washington state, bordering Oregon. Dayton, the county seat, is known for its well-preserved historic downtown. Imagine walking down a street lined with 19th-century buildings. Yep, that’s Main Street in Dayton.
The Blue Mountains loom in the distance with great hiking and camping spots. Agriculture is the backbone here with fields of wheat stretching as far as the eye can see.
The county’s also home to the Tucannon River, popular with fishermen chasing steelhead and salmon. Winters can be tough, but locals take pride in their resilience. There’s definitely a strong sense of community in Columbia County.
Category | Details |
---|---|
County Name | Columbia County |
County Seat | Dayton |
Population | Approximately 4,000 |
Cities, Towns, and Communities | Dayton, Starbuck, Huntsville |
Interstates and Highways | US-12, WA-261 |
FIPS Code | 53-013 |
Total Area (Land and Water) | 874 sq mi (Land: 869 sq mi; Water: 5 sq mi) |
Adjacent Counties (and Direction) | Whitman County (North), Garfield County (East), Wallowa County, Oregon (Southeast), Umatilla County, Oregon (Southwest), Walla Walla County (West), Franklin County (Northwest) |
Time Zone | Pacific Time Zone (PT) |
State | Washington |
Coordinates | 46.3007° N, 117.9075° W |
Etymology | Named after the Columbia River |
Major Landmarks | Palouse Falls State Park, Tucannon River, Lewis and Clark Trail State Park |
Website | Columbia County Website |
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