Heart Butte, Montana has an MBR Housing Affordability Index score of 191.7 (Highly Affordable) as of October 30, 2026, ranking 28th most affordable of 217 scored Montana cities, compared with 92.8 statewide and 97.4 nationally. On a median-priced $46,300 home with 20% down, the Montana average 30-year fixed rate of 7.26% means a monthly principal and interest payment of about $253, or 10% of the city’s $31,389 median household income.
The MBR Housing Affordability Index (MBR-HAI) for Heart Butte is updated every night from live Montana mortgage rates and U.S. Census Bureau income, home value and housing cost data for the city. A score of 100 equals the national average; higher scores mean homeownership is more affordable.
Heart Butte is 98.9 points above the Montana score. Scores as of October 30, 2026. See the Montana index
View Heart Butte Mortgage RatesSource: U.S. Census Bureau American Community Survey 5-Year Estimates (2024) for Heart Butte, Montana. The rate is the Montana average 30-year fixed rate from MonitorBankRates, since lenders publish rates by state.
Scores update each morning, computed from rate data captured the previous night. Score of 100 = national average at a 6.5% reference rate.