Decatur, Indiana has an MBR Housing Affordability Index score of 146.0 (Highly Affordable) as of October 30, 2026, ranking 402nd most affordable of 621 scored Indiana cities, compared with 123.6 statewide and 97.4 nationally. On a median-priced $142,800 home with 20% down, the Indiana average 30-year fixed rate of 7.41% means a monthly principal and interest payment of about $792, or 16% of the city’s $58,646 median household income.
The MBR Housing Affordability Index (MBR-HAI) for Decatur is updated every night from live Indiana 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.
Decatur is 22.4 points above the Indiana score. Scores as of October 30, 2026. See the Indiana index
View Decatur Mortgage RatesSource: U.S. Census Bureau American Community Survey 5-Year Estimates (2024) for Decatur, Indiana. The rate is the Indiana 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.