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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

Old Mill Creek, IL Housing Affordability Index

Old Mill Creek, Illinois has an MBR Housing Affordability Index score of 88.8 (Moderately Less Affordable) as of October 30, 2026, ranking 1211th most affordable of 1,249 scored Illinois cities, compared with 102.2 statewide and 97.4 nationally. On a median-priced $450,000 home with 20% down, the Illinois average 30-year fixed rate of 7.31% means a monthly principal and interest payment of about $2,471, or 27% of the city’s $108,333 median household income.

The MBR Housing Affordability Index (MBR-HAI) for Old Mill Creek 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.

Old Mill Creek MBR-HAI 88.8 Moderately Less Affordable
Rank in Illinois 1,211 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 $450,000 U.S. Census Bureau

Old Mill Creek is 13.4 points below the Illinois score. Scores as of October 30, 2026. See the Illinois index

View Old Mill Creek Mortgage Rates

What It Takes to Buy in Old Mill Creek

$2,471/mo
Principal & Interest
Median home, 20% down, 7.31%
$105,900
Income Needed
To keep the payment at 28% of income
$108,333
Median Household Income
Illinois: $83,390
4.2x
Price-to-Income Ratio
Illinois: 3.2x
$1,885/mo
Median Owner Costs
Mortgage, taxes, insurance, utilities
$9,688/yr
Median Property Tax
2.15% of median value
25.0%
Owner Cost Burden
Owners spending 30%+ of income on housing
30.6%
Renter Cost Burden
Renters spending 30%+ of income on rent

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

Cite the Old Mill Creek Score

“MonitorBankRates (MBR) Housing Affordability Index, MonitorBankRates.com, October 30, 2026. Old Mill Creek, Illinois score: 88.8 (Moderately Less Affordable), ranked 1,211 of 1,249 Illinois cities. monitorbankrates.com/housing-affordability-index/illinois/old-mill-creek”