Index change and building permits for the year, with every county.
In 2022 the FHFA house price index for Montana changed +20.7%, against +15.5% for the United States and +16.5% in 2021.
6,460 housing units were authorised by building permits in the state that year (3,190 single-family), −11.2% on 2021; the national total was 1,680,368.
+20.7%Montana index, 2021–2022US +15.5%
6,460housing units permitted in 20223,190 single-family
41 of 42counties with a rising indexmedian county +21.8%
Ranked by the county index change from 2021 to 2022 (FHFA annual county index). Permits are units authorised in 2022; per 1,000 uses the vintage 2025 population.
Housing units authorised in Montana 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.