Index change and building permits for the year, with every county.
In 2006 the FHFA house price index for Oklahoma changed +4.6%, against +6.6% for the United States and +5.0% in 2005.
15,840 housing units were authorised by building permits in the state that year (14,088 single-family), −13.7% on 2005; the national total was 1,838,903.
+4.6%Oklahoma index, 2005–2006US +6.6%
15,840housing units permitted in 200614,088 single-family
56 of 59counties with a rising indexmedian county +6.0%
Ranked by the county index change from 2005 to 2006 (FHFA annual county index). Permits are units authorised in 2006; per 1,000 uses the vintage 2025 population.
Housing units authorised in Oklahoma 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.