Montana ranks #30 of 51 for cost of living in 2026.
Cost of Living Index by State
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Source: BEA Regional Price Parities (2024)
Updated 2026-04-25. Click any state for the full breakdown.
Montana cost of living is 94.645 as of 2024, according to BEA Regional Price Parities. That puts Montana at rank #30 of 50 US states, below the national average of 97.271.
Among Montana's neighbors, Idaho shows 95.494, Wyoming shows 92.691, South Dakota shows 88.586. Use the CalcFi compare view to line all of them up: /maps/compare?cat=cost-of-living&states=mt,id,wy,sd. Nearby states share labor markets and housing corridors, so the comparison is usually the most relevant one.
Top Montana metros include Billings, Missoula, and Great Falls. City-level cost of living data drops in Q3 2026 once BLS releases its metro-area tables for the year. Helena is the state capital. Until then, the state-level number is the best available read.
Montana scores 94.645 on the BEA Regional Price Parities index, where the US average is 100. A score above 100 means goods and services cost more than the national average; below 100 means less. RPP covers goods, rents, and other services at the state level.
1 cities ranked by cost of living index by state. Lower is better.
BEA Regional Price Parities (RPP), all items, US national reference = 100. Pulled live from BEA API (TableName=SARPP, LineCode=1, year=2024).