Average mortgage payment in Madison County, IL (2026)
The average mortgage payment in Madison County on a median-priced home (~$275,000) is roughly $2,527/month — assuming 10% down at a 6.85% 30-year fixed rate and Illinois's 2.27% effective property tax rate (full PITI).
To carry that payment under the standard 28% front-end DTI rule, you'd need an annual household income near $108,299. County population is roughly 265,859.
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How Madison County compares to Illinois
The typical home in Madison County is 6% above the statewide median of $260,000 in Illinois. Property tax is set at the state's effective rate of 2.27% — local millage and special assessments vary by county, but this is the right starting point.
The payment above bakes in principal, interest, property tax, and homeowners insurance — it does not include HOA dues or mortgage insurance (PMI). PMI kicks in automatically when down payment is below 20% on a conventional loan. For a full breakdown, run your own numbers in the main calculator.
Frequently asked questions
What is the average mortgage payment in Madison County?+
On a median Madison County home (~$275,000) at a 6.85% 30-year fixed rate with 10% down, all-in PITI runs about $2,527/month, including ~$520 in property tax.
What income do I need to buy a home in Madison County?+
Using the 28% front-end DTI rule, you'd need roughly $108,299 in annual gross household income to comfortably carry the median Madison County home.
How does Madison County compare to the rest of Illinois?+
Madison County's median home ($275,000) is 6% above the Illinois median of $260,000.
Does this include HOA fees or PMI?+
No. HOA dues vary too widely to assume a default — add them directly to the payment. PMI applies when you put less than 20% down on a conventional loan; the main calculator factors it in automatically.