Index change and building permits for the year, with every county.
In 2015 the FHFA house price index for Iowa changed +2.7%, against +4.4% for the United States and +2.3% in 2014.
12,097 housing units were authorised by building permits in the state that year (7,424 single-family), +18.0% on 2014; the national total was 1,182,582.
+2.7%Iowa index, 2014–2015US +4.4%
12,097housing units permitted in 20157,424 single-family
79 of 98counties with a rising indexmedian county +2.5%
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.
Housing units authorised in Iowa 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.