Index change and building permits for the year, with every county.
In 2007 the FHFA house price index for Delaware changed +2.5%, against +0.6% for the United States and +9.0% in 2006.
5,291 housing units were authorised by building permits in the state that year (4,403 single-family), −18.7% on 2006; the national total was 1,398,415.
+2.5%Delaware index, 2006–2007US +0.6%
5,291housing units permitted in 20074,403 single-family
3 of 3counties with a rising indexmedian county +2.5%
Ranked by the county index change from 2006 to 2007 (FHFA annual county index). Permits are units authorised in 2007; per 1,000 uses the vintage 2025 population.
Housing units authorised in Delaware 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.