Index change and building permits for the year, with every county.
In 2018 the FHFA house price index for Oklahoma changed +2.9%, against +5.7% for the United States and +3.4% in 2017.
10,502 housing units were authorised by building permits in the state that year (9,361 single-family), −5.3% on 2017; the national total was 1,328,827.
+2.9%Oklahoma index, 2017–2018US +5.7%
10,502housing units permitted in 20189,361 single-family
47 of 61counties with a rising indexmedian county +2.7%
Ranked by the county index change from 2017 to 2018 (FHFA annual county index). Permits are units authorised in 2018; 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.