# Counties in Montana by housing units authorized by building permits, 2025

All 45 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `building_permit_units`
- Unit: count
- Definition: Annual number of new privately owned housing units authorized by building permits, from the US Census Bureau Building Permits Survey.
- Source: U.S. Census Bureau, Building Permits Survey: final annual county estimates of new privately owned housing units authorized, including imputation (https://www2.census.gov/econ/bps/County/co2025a.txt)
- Retrieved: 2026-10-10
- Citation: U.S. Census Bureau. Building Permits Survey: final annual county estimates of new privately owned housing units authorized, including imputation. https://www2.census.gov/econ/bps/County/co2025a.txt. Retrieved 2026-10-10.
- Web page: https://invokely.ai/rankings/building-permit-housing-units/montana-counties
- CSV: https://invokely.ai/download/rankings/building-permit-housing-units/montana-counties.csv

| Rank | Place | count |
|---:|---|---:|
| 1 | Gallatin County | 1,544 |
| 2 | Yellowstone County | 997 |
| 3 | Missoula County | 886 |
| 4 | Flathead County | 830 |
| 5 | Cascade County | 253 |
| 6 | Lewis and Clark County | 193 |
| 7 | Silver Bow County | 130 |
| 8 | Powell County | 88 |
| 9 | Lake County | 76 |
| 10 | Ravalli County | 55 |
| 11 | Beaverhead County | 42 |
| 12 | Carbon County | 32 |
| 13 | Lincoln County | 27 |
| 14 | Deer Lodge County | 22 |
| 15 | Jefferson County | 20 |
| 16 | Chouteau County | 18 |
| 17 | Madison County | 7 |
| 17 | Musselshell County | 7 |
| 19 | Carter County | 5 |
| 20 | Custer County | 4 |
| 20 | Fallon County | 4 |
| 22 | Broadwater County | 3 |
| 22 | Mineral County | 3 |
| 24 | Fergus County | 2 |
| 24 | Rosebud County | 2 |
| 24 | Sweet Grass County | 2 |
| 24 | Teton County | 2 |
| 28 | Hill County | 1 |
| 28 | McCone County | 1 |
| 28 | Richland County | 1 |
| 28 | Wibaux County | 1 |
| 32 | Big Horn County | 0 |
| 32 | Blaine County | 0 |
| 32 | Daniels County | 0 |
| 32 | Dawson County | 0 |
| 32 | Garfield County | 0 |
| 32 | Glacier County | 0 |
| 32 | Park County | 0 |
| 32 | Phillips County | 0 |
| 32 | Pondera County | 0 |
| 32 | Roosevelt County | 0 |
| 32 | Sheridan County | 0 |
| 32 | Stillwater County | 0 |
| 32 | Toole County | 0 |
| 32 | Valley County | 0 |