Columbia County, Washington
Columbia County profile, demographic data, and geographic information.
Cities & Towns in Columbia County
Constituent municipalities and census communities located within Columbia County.
| City / Town Name | Classification | Census GEOID | Land Area |
|---|---|---|---|
| Dayton city | City | 5316970 | 1.44 sq mi |
| Starbuck town | Town | 5367490 | 0.21 sq mi |