What homes there are
U.S. Census Bureau, ACS 5-year, 2020–2024
| Measure | Jefferson County | Montana | United States |
|---|---|---|---|
| Detached house | 83% | 69% | 61% |
| Attached house | 2% | 5% | 6% |
| Building of 2 to 4 | Unreliable estimate | 7% | 8% |
| Apartments (5 or more) | Unreliable estimate | 10% | 19% |
| Mobile home | 11% | 9% | 6% |
| Boat, RV and other | Unreliable estimate | 0% | 0% |
The detached house rules in Jefferson County: 83% of homes, more than in Montana (69%).
| Measure | Jefferson County | Montana | United States |
|---|---|---|---|
| Before 1960 | 17% | 26% | 26% |
| 1960–1979 | 24% | 23% | 24% |
| 1980–1999 | 29% | 23% | 25% |
| 2000–2009 | 17% | 14% | 14% |
| 2010 or later | 14% | 14% | 11% |
The typical home in Jefferson County was built in 1990, 9 years after the typical one in Montana.
Homes in Jefferson County are bigger: 70% have 3 bedrooms or more; in Montana, 61%.