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State, one year

Idaho in 2021

Index change and building permits for the year, with every county.

In 2021 the FHFA house price index for Idaho changed +23.1%, against +11.6% for the United States and +8.7% in 2020.

21,732 housing units were authorised by building permits in the state that year (16,154 single-family), +13.6% on 2020; the national total was 1,736,982.

+23.1%Idaho index, 2020–2021US +11.6%
21,732housing units permitted in 202116,154 single-family
42 of 42counties with a rising indexmedian county +22.3%
1,736,982units permitted nationally in 2021
← 2020Idaho overview2022 →

Counties in 2021

Ranked by the county index change from 2020 to 2021 (FHFA annual county index). Permits are units authorised in 2021; per 1,000 uses the vintage 2025 population.

CountyIndex change 2021Units permittedSingle-familyPer 1,000
Shoshone County+33.8%35282.5
Butte County+31.0%110.4
Bear Lake County+30.5%898913.2
Boundary County+29.8%1201208.6
Canyon County+27.3%4,2573,01815.5
Valley County+26.8%37537529.2
Elmore County+26.5%105973.6
Jerome County+25.2%1691416.4
Payette County+25.2%2292098.2
Power County+25.2%21192.5
Adams County+25.1%13132.6
Washington County+25.1%59595.1
Gooding County+24.7%57493.5
Ada County+24.4%7,4874,90413.7
Kootenai County+24.3%2,4261,62912.6
Lewis County+23.8%441.1
Bannock County+23.6%4893645.3
Bonneville County+23.2%1,1001,0568.1
Benewah County+22.9%71716.8
Bingham County+22.8%2512054.9
Twin Falls County+22.8%8997539.2
Gem County+22.3%25125111.5
Cassia County+21.8%1411385.3
Lincoln County+21.4%21213.7
Teton County+21.4%38935429.3
Minidoka County+21.3%30429613.3
Jefferson County+20.6%37737310.7
Franklin County+20.4%17216810.8
Oneida County+20.2%857316.7
Madison County+19.8%3422386.2
Blaine County+19.7%29020511.4
Boise County+19.5%10510512.3
Bonner County+19.5%3261566.0
Caribou County+19.5%15152.1
Idaho County+19.2%770.4
Nez Perce County+19.2%96822.2
Owyhee County+18.7%96647.6
Fremont County+18.1%18018012.7
Custer County+16.9%13132.8
Latah County+16.0%1821284.3
Clearwater County+15.5%24242.6
Lemhi County+14.4%48485.7

Permits by year, 1995–2025

Housing units authorised in Idaho by year010,00020,00030,0001995: 10,666 units (8,366 single-family, 2,300 in multi-unit buildings)19951996: 10,755 units (9,180 single-family, 1,575 in multi-unit buildings)1997: 10,337 units (8,838 single-family, 1,499 in multi-unit buildings)1998: 11,667 units (10,277 single-family, 1,390 in multi-unit buildings)1999: 12,181 units (10,497 single-family, 1,684 in multi-unit buildings)2000: 10,915 units (9,681 single-family, 1,234 in multi-unit buildings)20002001: 11,820 units (9,738 single-family, 2,082 in multi-unit buildings)2002: 13,488 units (10,845 single-family, 2,643 in multi-unit buildings)2003: 15,091 units (12,601 single-family, 2,490 in multi-unit buildings)2004: 18,108 units (15,273 single-family, 2,835 in multi-unit buildings)2005: 21,578 units (19,172 single-family, 2,406 in multi-unit buildings)20052006: 17,075 units (14,789 single-family, 2,286 in multi-unit buildings)2007: 12,105 units (9,551 single-family, 2,554 in multi-unit buildings)2008: 6,470 units (5,673 single-family, 797 in multi-unit buildings)2009: 4,863 units (4,274 single-family, 589 in multi-unit buildings)2010: 4,153 units (3,568 single-family, 585 in multi-unit buildings)20102011: 3,815 units (3,163 single-family, 652 in multi-unit buildings)2012: 6,265 units (5,036 single-family, 1,229 in multi-unit buildings)2013: 8,110 units (6,360 single-family, 1,750 in multi-unit buildings)2014: 8,797 units (6,293 single-family, 2,504 in multi-unit buildings)2015: 9,954 units (7,784 single-family, 2,170 in multi-unit buildings)20152016: 12,165 units (9,739 single-family, 2,426 in multi-unit buildings)2017: 14,183 units (11,019 single-family, 3,164 in multi-unit buildings)2018: 15,824 units (12,176 single-family, 3,648 in multi-unit buildings)2019: 17,716 units (12,978 single-family, 4,738 in multi-unit buildings)2020: 19,130 units (14,969 single-family, 4,161 in multi-unit buildings)20202021: 21,732 units (16,154 single-family, 5,578 in multi-unit buildings)2022: 18,706 units (11,912 single-family, 6,794 in multi-unit buildings)2023: 17,919 units (12,081 single-family, 5,838 in multi-unit buildings)2024: 17,630 units (14,821 single-family, 2,809 in multi-unit buildings)2025: 17,944 units (14,112 single-family, 3,832 in multi-unit buildings)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.