Index change and building permits for the year, with every county.
In 2004 the FHFA house price index for Iowa changed +4.3%, against +9.2% for the United States and +2.3% in 2003.
16,345 housing units were authorised by building permits in the state that year (12,374 single-family), +1.6% on 2003; the national total was 2,070,077.
+4.3%Iowa index, 2003–2004US +9.2%
16,345housing units permitted in 200412,374 single-family
92 of 99counties with a rising indexmedian county +4.1%
Ranked by the county index change from 2003 to 2004 (FHFA annual county index). Permits are units authorised in 2004; 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.