County · GEOID 53013
Columbia County, WA ZIP codes
5 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Columbia County (GEOID 53013). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 9,702 (5 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
ZIP/ZCTA overlap with Columbia County
Population overlap
Share of each ZIP/ZCTA’s population located within Columbia County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Columbia County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 99328 | Dayton | Columbia County | 3,595 | $72,233 |
| 99347 | Pomeroy | Garfield County | 2,467 | $61,741 |
| 99348 | Prescott | Walla Walla County | 1,733 | $76,431 |
| 99359 | Starbuck | Columbia County | 107 | $49,500 |
| 99361 | Waitsburg | Walla Walla County | 1,800 | $91,742 |