What homes there are
U.S. Census Bureau, ACS 5-year, 2020–2024
| Measure | Helena Valley Northwest | Lewis and Clark County | Montana | United States |
|---|---|---|---|---|
| Detached house | 96% | 66% | 69% | 61% |
| Attached house | Unreliable estimate | 4% | 5% | 6% |
| Building of 2 to 4 | Unreliable estimate | 12% | 7% | 8% |
| Apartments (5 or more) | Unreliable estimate | 9% | 10% | 19% |
| Mobile home | Unreliable estimate | 10% | 9% | 6% |
| Boat, RV and other | Unreliable estimate | Unreliable estimate | 0% | 0% |
In Helena Valley Northwest, 10 in 10 homes are single-family detached houses; in Lewis and Clark County, 7.
| Measure | Helena Valley Northwest | Lewis and Clark County | Montana | United States |
|---|---|---|---|---|
| Before 1960 | Unreliable estimate | 23% | 26% | 26% |
| 1960–1979 | Unreliable estimate | 25% | 23% | 24% |
| 1980–1999 | 29% | 23% | 23% | 25% |
| 2000–2009 | 22% | 13% | 14% | 14% |
| 2010 or later | 30% | 16% | 14% | 11% |
Homes in Helena Valley Northwest are newer: the typical year built is 2001; in Lewis and Clark County, 1982.