What homes there are
U.S. Census Bureau, ACS 5-year, 2020–2024
| Measure | Columbia County | Washington | United States |
|---|---|---|---|
| Detached house | 82% | 62% | 61% |
| Attached house | Unreliable estimate | 4% | 6% |
| Building of 2 to 4 | Unreliable estimate | 6% | 8% |
| Apartments (5 or more) | Unreliable estimate | 22% | 19% |
| Mobile home | 12% | 6% | 6% |
| Boat, RV and other | Unreliable estimate | 0% | 0% |
In Columbia County, 8 in 10 homes are single-family detached houses; in Washington, 6.
There are more mobile homes here than in Washington: 12% of homes, against 6%.
| Measure | Columbia County | Washington | United States |
|---|---|---|---|
| Before 1960 | 57% | 21% | 26% |
| 1960–1979 | 16% | 23% | 24% |
| 1980–1999 | 11% | 27% | 25% |
| 2000–2009 | 11% | 15% | 14% |
| 2010 or later | Unreliable estimate | 14% | 11% |
Much as in Washington, 62% of homes in Columbia County have 3 bedrooms or more.