County directory
Columbia County ZIP code profiles
County pages connect ZIP profiles back to larger geography, creating useful browse paths beyond a single ZIP lookup form.
County
Columbia County
Washington
Population
4K
Estimated county population.
Median income
$71,810
Estimated median household income.
ZIP pages
5
ZIP profiles linked to this county.
ZIP profile
99328
Columbia County
Columbia County
- Population
- 3.6K
- Median income
- $72,756
ZIP profile
99347
Columbia County
Columbia County
- Population
- 2.5K
- Median income
- $64,699
ZIP profile
99361
Columbia County
Columbia County
- Population
- 2K
- Median income
- $91,367
ZIP profile
99348
Columbia County
Columbia County
- Population
- 1.6K
- Median income
- $79,167
ZIP profile
99359
Columbia County
Columbia County
- Population
- 94
- Median income
- $61,000