Washington
Columbia County
3,996 residents6 permits TTM$71,528 median HHI2 ZIP codesUpdated April 28, 2026
Investor first look
Median home value
$256,100
ACS 5-Year
Cap rate proxy
4.4%
FMR × 0.65 ÷ Home Value
Rent-to-income
15.8%
HUD FMR ÷ ACS HHI
Net migration
+1.23%
IRS SOI
Permits (TTM)
6
Census BPS
Climate risk
8.6
FEMA NRI (0–100)
ZIP code breakdown2 ZIP codes
Numbers repeat across most ZIPs in this county
ZIP-level home-value data isn't published for rural areas. Federal sources (Census ACS, HUD non-metro FMR) are available at the county level only, so home-value, cap-rate, and rent-gap numbers use the county estimate for every ZIP in the county.
| ZIP | Median home value | Rent (FMR 2BR) | Gross yield | Cap rate ↓ | Rent gap |
|---|---|---|---|---|---|
| 99359 | $256,100county est. | $1,052 | 4.9% | 4.4% | 10.3% |
| 99328 | $261,796 | $1,052 | 4.8% | 4.3% | 10.3% |
Sort by any column. Click a ZIP for detail. Rent gap: green = HUD FMR above market rent.
Demographics
Owner-occupied
77.9%
Census ACS
Vacancy rate
14.7%
Census ACS
Bachelor's degree +
27.2%
Census ACS
Rent burdened
28.4%
Census ACS (>30% income)
Median age
52.1
Census ACS
U.S. Census Bureau — American Community Survey 5-Year Estimates
U.S. Census Bureau — Building Permits Survey
U.S. Department of Housing and Urban Development — Fair Market Rents / Small Area Fair Market Rents (SAFMR)
Internal Revenue Service — Statistics of Income Migration Data
FEMA — National Risk Index
Last updated: April 28, 2026