Index change and building permits for the year, with every county.
In 2002 the FHFA house price index for Montana changed +4.9%, against +5.4% for the United States and +4.6% in 2001.
3,574 housing units were authorised by building permits in the state that year (2,050 single-family), +37.3% on 2001; the national total was 1,747,678.
+4.9%Montana index, 2001–2002US +5.4%
3,574housing units permitted in 20022,050 single-family
32 of 35counties with a rising indexmedian county +4.3%
Ranked by the county index change from 2001 to 2002 (FHFA annual county index). Permits are units authorised in 2002; 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.