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New Report Fall 2026 Housing Affordability Report: every state is less affordable than in late August as average 30-year mortgage rates passed 7%. Read the report

Collinsville, IL Housing Affordability Index

Collinsville, Illinois has an MBR Housing Affordability Index score of 127.3 (Highly Affordable) as of October 30, 2026, ranking 895th most affordable of 1,249 scored Illinois cities, compared with 102.2 statewide and 97.4 nationally. On a median-priced $163,600 home with 20% down, the Illinois average 30-year fixed rate of 7.31% means a monthly principal and interest payment of about $899, or 16% of the city’s $67,612 median household income.

The MBR Housing Affordability Index (MBR-HAI) for Collinsville is updated every night from live Illinois 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.

Collinsville MBR-HAI 127.3 Highly Affordable
Rank in Illinois 895 of 1,249 1 = most affordable
Illinois 102.2 Statewide score
National 97.4 100 = baseline
Avg 30-yr rate 7.31% Illinois lenders
Median home value $163,600 U.S. Census Bureau

Collinsville is 25.1 points above the Illinois score. Scores as of October 30, 2026. See the Illinois index

View Collinsville Mortgage Rates

What It Takes to Buy in Collinsville

$899/mo
Principal & Interest
Median home, 20% down, 7.31%
$38,500
Income Needed
To keep the payment at 28% of income
$67,612
Median Household Income
Illinois: $83,390
2.4x
Price-to-Income Ratio
Illinois: 3.2x
$1,058/mo
Median Owner Costs
Mortgage, taxes, insurance, utilities
$2,933/yr
Median Property Tax
1.79% of median value
17.9%
Owner Cost Burden
Owners spending 30%+ of income on housing
41.8%
Renter Cost Burden
Renters spending 30%+ of income on rent

Source: U.S. Census Bureau American Community Survey 5-Year Estimates (2024) for Collinsville, Illinois. The rate is the Illinois average 30-year fixed rate from MonitorBankRates, since lenders publish rates by state.

Cite the Collinsville Score

“MonitorBankRates (MBR) Housing Affordability Index, MonitorBankRates.com, October 30, 2026. Collinsville, Illinois score: 127.3 (Highly Affordable), ranked 895 of 1,249 Illinois cities. monitorbankrates.com/housing-affordability-index/illinois/collinsville”