Research

Original cost-of-living research from PlainCost. Every numeric claim is derived directly from the BEA Regional Price Parities database, verifiable against the source agency.

What can you learn from PlainCost research?

What this research covers

PlainCost research decomposes BEA Regional Price Parities across 387 metro areas and 51 states; the live metro RPP span runs from 83.6 to 115.6 against the U.S. benchmark of 100.

387
metros in the live BEA RPP mirror
51
states covered
83.6–115.6
metro RPP span (national = 100)

RPP compares relative price levels, not household budgets or local inflation rates. Studies below keep that limit next to each finding.

How State Price Levels Shifted from 2023 to 2024

A reproducible comparison of the two latest retained BEA state RPP releases. See where relative price levels moved most, which component moved with them, and why an index-point change is not a household inflation forecast.

Have a research question we should tackle? Email us at hello@plaincost.com. We're prioritizing original research that derives every claim from our current dataset, with the underlying source documented in each article so a reviewer can replicate the finding against the original BEA, Census, BLS, or HUD source.

Download the compiled Regional Price Parities extract cited on this page: regional-price-parities.csv (CC BY 4.0). Method notes live on /methodology and /data.