County · Washington · United States
Columbia County ZIP codes
2 ZIP codes · 2 cities · FIPS 53013
Key facts
- State
- Washington (WA)
- FIPS code
- 53013
- Population
- 3,996
- Median household income
- $71,528
- Median age
- 52.1
- Land area
- 868.6 sq mi (2,249.6 km²)
- Population density
- 5 / sq mi
- Area codes
- 509
Cities and ZIP codes in Columbia County (2)
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.