Oklahoma's cost of living index is 83 — 17.0% below the US average of 100 (MERIC (C2ER index), Second Quarter 2026). The index averages the cities that take part in the survey, so it describes those areas rather than the whole state. Compare purchasing power and equivalent salaries across states.
CoL Index
83.0
US avg = 100 · MERIC (C2ER index), Second Quarter 2026
vs. National Avg
-17.0%
Less expensive
Median Income
$66,148
Median household · Census ACS 2024 1-year
Equiv. at US Avg
$79,696
Same purchasing power
| CoL Index | 83.0 | MERIC (C2ER index), Second Quarter 2026 — composite, US avg = 100 |
| vs. National | 17.0% | Below average cost |
| Median Household Income | $66,148 | Oklahoma median — Census ACS 2024 1-year |
| National Purchasing Power | $79,696 | Equivalent $ at US avg CoL |
| Overall Category | Low | CalcHub band of the index: Low < 90 ≤ Moderate < 100 ≤ High < 115 ≤ Very High |
| Population | 4,123,288 | Census Bureau estimate, July 1, 2025 |
With a cost of living index of 83, Oklahoma is 17% below the national average. Lower costs in Oklahoma mean your dollar goes further. A salary of $66,148 in Oklahoma provides the equivalent purchasing power of $79,696 in a state at the national average.
Housing is typically the largest driver of cost of living differences between states.Oklahoma's typical home value of $223,300 is well below the U.S. typical value of $368,700 (Zillow Home Value Index, August 2026). Other factors include state income tax (4.5% top rate in Oklahoma), sales tax (4.5% state rate), and property taxes (0.75% effective rate).
