The map below uses a direct cost of living index: 100 equals the U.S. average, numbers above 100 mean prices are higher than average, and numbers below 100 mean prices are lower. That makes the read much cleaner than a purchasing-power salary map. A reader can scan California, Hawaii, New Jersey, and Massachusetts as high-cost states immediately, then compare them against the lower-cost belt running through Mississippi, Arkansas, Alabama, Oklahoma, and West Virginia.
The geography is familiar but still useful. Expensive coastal labor markets push up the index through housing, services, and local taxes. Lower-cost inland states usually combine cheaper housing with lower service prices, even when food, energy, and transportation do not move as dramatically. The index also helps separate reputation from reality: Florida is above average, but not in the same tier as Hawaii or the New York-New Jersey corridor.
The important design choice is that the number inside the state is the story. A cost index is already an abstract measure, so adding another derived salary figure forces readers to decode two ideas at once. Here the label means exactly what it says: an index value relative to 100.
Methodology
State cost indexes are based on BEA Regional Price Parities. BEA indexes each state’s price level against the national average, where 100 = U.S. average. Values shown here are rounded to one decimal place and mapped as a state choropleth, with darker red indicating a higher cost index.
Caveats
- Regional Price Parities are broad price-level measures; they are not a household budget for any single family type.
- Housing carries a large share of the index, so fast-changing rent and mortgage markets can move local experience before the official series catches up.
- State averages hide metro variation. New York City and upstate New York, for example, do not feel like the same cost environment.