An Illinois mortgage payment starts with the same formula as anywhere in the country, then picks up two costs that vary sharply by state: property tax at an effective 1.92% and homeowners insurance near $1,500 a year. On a typical Illinois home of $295,000, those two add $597 to every monthly payment before the loan costs anything. The tool below is preloaded with that home, 10% down, and a 30-year fixed rate of 6.25%.
The Illinois housing market at a glance
| Typical home valueZillow Home Value Index, statewide | $296,000 |
|---|---|
| Effective property tax rate$5,660 a year on the example home | 1.92% |
| Typical homeowners insurance$125 a month in escrow | $1,500 |
| Median household income$6,934 a month before tax | $83,211 |
| Example payment, share of median incomeAbove the 28% housing guideline | 33.8% |
Home values: Zillow, September 2026. Income, rent, and property tax: U.S. Census Bureau ACS, 2024. Insurance is an estimate. Sources · How every state compares
An Illinois mortgage, line by line
| Home price | $295,000 |
|---|---|
| Down payment (10%) | $29,500 |
| Loan amount | $265,500 |
| Principal & interest at 6.25% | $1,635 |
| Property tax | $472 |
| Homeowners insurance | $125 |
| PMI at 0.5%Ends after 8 yrs 10 mo | $111 |
| Total monthly paymentHeadline result | $2,342 |
| Interest over 30 yearsHeadline result | $323,003 |
| Income for a 28% housing ratioMedian Illinois household: $83,211 | $100,372 |
What changes the payment in Illinois
Property taxes in Illinois
Illinois has one of the highest effective property tax rates in the US, driven by school-district levies; Cook County assessments and classification appeals matter a great deal to investors. At the statewide effective rate of 1.92%, the example home pays $5,660 a year, $472 of every monthly payment. Local rates inside Illinois vary well beyond the statewide figure, so take the number from the county assessor or the listing for any home you consider.
Homeowners insurance in Illinois
Budget roughly $1,500 a year. Hail and tornado claims set premiums across the Midwest. Check roof age and deductible structure before underwriting a rehab, and expect a separate wind/hail deductible in many counties. Lenders require coverage before closing, and the premium is collected monthly in escrow, so get a quote before you make an offer.
How far an Illinois income goes
The median Illinois household earns about $83,211 a year. Under a 28% housing limit that supports a payment of $1,942, $400 short of the example. The Illinois edition of the home affordability calculator solves for the price that income supports.
How to estimate your Illinois mortgage payment
- Replace the example price with the home you are considering. The property tax figure won't update by itself; recalculate it from the listing or the county's rate.
- Enter your real down payment. Under 20% on a conventional loan, PMI is added until the balance reaches 78% of the price.
- Use a rate from a current loan estimate rather than an advertised rate, which often assumes points paid up front.
- Replace the $1,500 insurance estimate with a quote for the specific address.
- Add HOA dues if the home has them, then try extra principal to see how much interest an early payoff saves.
Methodology
Principal and interest use the standard fixed-rate amortization formula, M = L × r ÷ (1 − (1 + r)^−n). Property tax is the statewide effective rate applied to the example price; insurance is a typical statewide premium. PMI is charged at the stated annual rate until the balance first reaches 78% of the original price, when the Homeowners Protection Act requires it to be cancelled.
Illinois figures are sourced statewide values, listed under Sources: Zillow's typical home value and Census income, rent, and property tax data. Insurance is an estimate. They are not quotes or appraisals; substitute your own numbers for a decision.
Sources
- Typical home value: Zillow Home Value Index (all homes, mid tier, seasonally adjusted), September 2026.
- Median household income: U.S. Census Bureau, American Community Survey 1-year estimates, table B19013, 2024.
- Median gross rent: U.S. Census Bureau, American Community Survey 1-year estimates, table B25064, 2024.
- Effective property tax rate: Median real estate taxes paid (B25103) ÷ median home value (B25077), Census ACS 1-year, the Tax Foundation's method, 2024.
- Homeowners insurance: Keystone estimate of a typical annual premium. Replace it with a quote for the address, 2026.
Read the full methodology, worked example, and caveats in the national Mortgage Calculator guide.
Illinois FAQ
- What is the average mortgage payment in Illinois?
- On a typical Illinois home of $295,000 with 10% down and a 30-year fixed rate of 6.25%, the full payment comes to about $2,342 a month: $1,635 of principal and interest, $597 of taxes and insurance, and $111 of PMI. Your payment depends on the price, rate, and local tax bill.
- How much are property taxes on an Illinois mortgage?
- Illinois's effective property tax rate is about 1.92%, which adds $472 a month to the payment on a $295,000 home. Illinois has one of the highest effective property tax rates in the US, driven by school-district levies; Cook County assessments and classification appeals matter a great deal to investors.
- How much income do I need to buy a home in Illinois?
- To keep the example payment of $2,342 within the 28% housing guideline, a household needs about $100,372 a year of gross income, compared with an Illinois median of $83,211. Other debts lower what a lender will approve.
- Does homeowners insurance raise my mortgage payment in Illinois?
- Yes. Lenders collect it monthly in escrow alongside property tax. At a typical $1,500 a year, insurance adds $125 a month in Illinois. Premiums vary by address and have risen quickly in many states, so quote it before you commit to a price.
Other state editions
Every state gets its own edition of the Mortgage Calculator, preloaded with that market's typical values, tax rates, and insurance costs: