State, one year
Idaho in 2015
Index change and building permits for the year, with every county.
In 2015 the FHFA house price index for Idaho changed +5.8%, against +4.4% for the United States and +6.9% in 2014.
9,954 housing units were authorised by building permits in the state that year (7,784 single-family), +13.2% on 2014; the national total was 1,182,582.
Counties in 2015
Ranked by the county index change from 2014 to 2015 (FHFA annual county index). Permits are units authorised in 2015; per 1,000 uses the vintage 2025 population.
| County | Index change 2015 | Units permitted | Single-family | Per 1,000 |
|---|---|---|---|---|
| Owyhee County | +14.0% | 21 | 21 | 1.7 |
| Valley County | +12.5% | 93 | 57 | 7.2 |
| Teton County | +11.6% | 93 | 89 | 7.0 |
| Lincoln County | +11.2% | 2 | 2 | 0.4 |
| Elmore County | +10.6% | 52 | 52 | 1.8 |
| Minidoka County | +10.6% | 68 | 40 | 3.0 |
| Gooding County | +8.5% | 15 | 15 | 0.9 |
| Canyon County | +8.3% | 1,148 | 1,130 | 4.2 |
| Twin Falls County | +7.3% | 413 | 351 | 4.2 |
| Bonner County | +6.9% | 58 | 48 | 1.1 |
| Ada County | +6.6% | 4,241 | 3,055 | 7.8 |
| Benewah County | +6.5% | 15 | 15 | 1.4 |
| Kootenai County | +5.9% | 1,414 | 1,090 | 7.4 |
| Fremont County | +5.8% | 62 | 62 | 4.4 |
| Jerome County | +5.8% | 65 | 65 | 2.5 |
| Jefferson County | +5.4% | 136 | 136 | 3.9 |
| Boundary County | +5.3% | 51 | 51 | 3.6 |
| Gem County | +5.1% | 38 | 38 | 1.7 |
| Lewis County | +5.1% | 8 | 8 | 2.2 |
| Payette County | +5.1% | 44 | 42 | 1.6 |
| Oneida County | +4.9% | 17 | 17 | 3.3 |
| Bingham County | +4.8% | 99 | 73 | 1.9 |
| Blaine County | +4.7% | 62 | 62 | 2.4 |
| Washington County | +4.5% | 17 | 17 | 1.5 |
| Idaho County | +4.3% | 1 | 1 | 0.1 |
| Cassia County | +4.1% | 102 | 94 | 3.9 |
| Bonneville County | +4.0% | 724 | 544 | 5.3 |
| Latah County | +4.0% | 99 | 55 | 2.4 |
| Shoshone County | +3.0% | 19 | 19 | 1.3 |
| Nez Perce County | +2.9% | 108 | 32 | 2.5 |
| Power County | +2.9% | 1 | 1 | 0.1 |
| Bannock County | +2.8% | 190 | 168 | 2.1 |
| Franklin County | +2.7% | 52 | 52 | 3.3 |
| Madison County | +2.5% | 279 | 135 | 5.1 |
| Caribou County | +2.1% | 10 | 10 | 1.4 |
| Adams County | +1.7% | 4 | 4 | 0.8 |
| Lemhi County | +1.6% | 23 | 23 | 2.7 |
| Clearwater County | +0.9% | 18 | 18 | 2.0 |
| Butte County | +0.6% | 2 | 2 | 0.7 |
| Bear Lake County | +0.2% | 26 | 26 | 3.9 |
| Boise County | −0.3% | 51 | 51 | 6.0 |
| Custer County | −7.1% | 3 | 3 | 0.6 |
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.