State, one year
Idaho in 2005
Index change and building permits for the year, with every county.
In 2005 the FHFA house price index for Idaho changed +15.7%, against +12.4% for the United States and +6.7% in 2004.
21,578 housing units were authorised by building permits in the state that year (19,172 single-family), +19.2% on 2004; the national total was 2,155,316.
Counties in 2005
Ranked by the county index change from 2004 to 2005 (FHFA annual county index). Permits are units authorised in 2005; per 1,000 uses the vintage 2025 population.
| County | Index change 2005 | Units permitted | Single-family | Per 1,000 |
|---|---|---|---|---|
| Adams County | +35.2% | 81 | 81 | 16.2 |
| Valley County | +35.0% | 438 | 436 | 34.1 |
| Shoshone County | +30.2% | 17 | 17 | 1.2 |
| Kootenai County | +29.7% | 2,688 | 2,288 | 14.0 |
| Bonner County | +28.0% | 13 | 13 | 0.2 |
| Blaine County | +24.5% | 307 | 229 | 12.0 |
| Benewah County | +21.8% | 31 | 31 | 3.0 |
| Boundary County | +21.3% | 142 | 138 | 10.1 |
| Boise County | +21.1% | 151 | 151 | 17.7 |
| Lemhi County | +20.4% | 65 | 65 | 7.7 |
| Custer County | +20.3% | 8 | 8 | 1.7 |
| Lewis County | +18.4% | 4 | 4 | 1.1 |
| Ada County | +16.1% | 7,854 | 7,386 | 14.4 |
| Washington County | +16.1% | 57 | 57 | 4.9 |
| Lincoln County | +15.8% | 19 | 19 | 3.4 |
| Gem County | +15.4% | 215 | 213 | 9.9 |
| Owyhee County | +15.4% | 84 | 84 | 6.6 |
| Nez Perce County | +14.0% | 171 | 147 | 4.0 |
| Canyon County | +13.7% | 3,245 | 3,114 | 11.8 |
| Idaho County | +12.2% | 5 | 5 | 0.3 |
| Jerome County | +12.1% | 143 | 143 | 5.4 |
| Twin Falls County | +11.8% | 1,036 | 904 | 10.6 |
| Payette County | +11.4% | 156 | 156 | 5.6 |
| Latah County | +11.0% | 339 | 112 | 8.1 |
| Teton County | +10.7% | 270 | 222 | 20.4 |
| Cassia County | +10.4% | 65 | 65 | 2.5 |
| Bannock County | +9.6% | 649 | 521 | 7.1 |
| Gooding County | +9.3% | 91 | 72 | 5.5 |
| Jefferson County | +9.1% | 361 | 357 | 10.2 |
| Bonneville County | +8.6% | 1,553 | 1,109 | 11.4 |
| Clearwater County | +8.2% | 33 | 33 | 3.6 |
| Fremont County | +8.2% | 188 | 188 | 13.2 |
| Madison County | +8.2% | 293 | 172 | 5.3 |
| Oneida County | +8.1% | 12 | 12 | 2.4 |
| Butte County | +8.0% | 5 | 5 | 1.8 |
| Elmore County | +7.9% | 305 | 204 | 10.4 |
| Bingham County | +7.7% | 265 | 206 | 5.2 |
| Caribou County | +6.2% | 19 | 19 | 2.6 |
| Bear Lake County | +6.1% | 13 | 13 | 1.9 |
| Power County | +5.8% | 27 | 27 | 3.3 |
| Franklin County | +5.2% | 89 | 75 | 5.6 |
| Minidoka County | +1.3% | 31 | 31 | 1.4 |
Permits by year, 1995–2025
Housing units authorised in Idaho by yearsingle-family2+ unit buildings
Source: Federal Housing Finance Agency annual state and county house price indexes (updated March 31, 2026); Census Bureau Building Permits Survey annual state and county files. Public domain. Methodology.