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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

Johnston City, IL Housing Affordability Index

Johnston City, Illinois has an MBR Housing Affordability Index score of 138.5 (Highly Affordable) as of October 30, 2026, ranking 806th most affordable of 1,249 scored Illinois cities, compared with 102.2 statewide and 97.4 nationally. On a median-priced $88,100 home with 20% down, the Illinois average 30-year fixed rate of 7.31% means a monthly principal and interest payment of about $484, or 14% of the city’s $42,465 median household income.

The MBR Housing Affordability Index (MBR-HAI) for Johnston City 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.

Johnston City MBR-HAI 138.5 Highly Affordable
Rank in Illinois 806 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 $88,100 U.S. Census Bureau

Johnston City is 36.3 points above the Illinois score. Scores as of October 30, 2026. See the Illinois index

View Johnston City Mortgage Rates

What It Takes to Buy in Johnston City

$484/mo
Principal & Interest
Median home, 20% down, 7.31%
$20,700
Income Needed
To keep the payment at 28% of income
$42,465
Median Household Income
Illinois: $83,390
2.1x
Price-to-Income Ratio
Illinois: 3.2x
$630/mo
Median Owner Costs
Mortgage, taxes, insurance, utilities
$2,376/yr
Median Property Tax
2.70% of median value
23.6%
Owner Cost Burden
Owners spending 30%+ of income on housing
64.1%
Renter Cost Burden
Renters spending 30%+ of income on rent

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

Cite the Johnston City Score

“MonitorBankRates (MBR) Housing Affordability Index, MonitorBankRates.com, October 30, 2026. Johnston City, Illinois score: 138.5 (Highly Affordable), ranked 806 of 1,249 Illinois cities. monitorbankrates.com/housing-affordability-index/illinois/johnston-city”