Index change and building permits for the year, with every county.
In 2019 the FHFA house price index for South Dakota changed +4.4%, against +4.2% for the United States and +4.7% in 2018.
4,415 housing units were authorised by building permits in the state that year (3,127 single-family), −11.0% on 2018; the national total was 1,386,048.
+4.4%South Dakota index, 2018–2019US +4.2%
4,415housing units permitted in 20193,127 single-family
37 of 40counties with a rising indexmedian county +3.9%
Ranked by the county index change from 2018 to 2019 (FHFA annual county index). Permits are units authorised in 2019; per 1,000 uses the vintage 2025 population.
Housing units authorised in South Dakota 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.