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| County : | Columbia County |
| State : | Washington (WA) |
| Land Area : | 868.62 sq mi |
| Water Area : | 4.85 sq mi |
| Latitude : | 46.2928505 |
| Longitude : | -117.9116345 |
| Population (2010): | 4,078 |
| Population Estimate (2012) : | 4,001 |
| Population Density : | 4.69/sq mi |
| Housing Units (2012) : | 2,136 |
| Median Household Income (2012) : | $45,417 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $56,989 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $159,100 (Washington : $272,900, USA : $181,400) |
Columbia County Cities / Towns
| Dayton City (2,526) | Starbuck Town (129) |
Columbia County Zip Codes
| 99328 (3,733) | 99347 (2,293) | 99348 (1,364) |
| 99359 (158) | 99361 (1,902) |