Illinois Mortgage Calculator (2026)
Median home price in Illinois: $295,000. With a 15% down payment, your estimated monthly payment is $2,315/mo all-in.
Payment breakdown for Illinois
Based on median home price of $295,000, 15% down ($45,000), at 7.00% rate.
| Item | 30-Year | 15-Year |
|---|---|---|
| Loan amount | $250,000 | $250,000 |
| Monthly P&I | $1,663 | $2,247 |
| Monthly property tax | $504 | $504 |
| Monthly insurance (est.) | $148 | $148 |
| All-in monthly | $2,315 | $2,899 |
| Total interest paid | $348,680 | $154,460 |
Buying a home in Illinois
Illinois’s median home price of $295,000 puts it near the national median. At the current average rate of 7.00%, a buyer putting 15% down would pay $1,663/month in principal and interest — plus an estimated $504/month in property taxes, based on Illinois’s effective tax rate of 2.05%.
Choosing a 15-year loan in Illinois instead of a 30-year would save $194,220 in total interest, but increases your monthly P&I payment by $584. Whether that trade-off makes sense depends on your income stability, other financial goals, and how long you plan to stay in the home.
Illinois’s property tax rate of 2.05% is one of the highest in the country. This means property taxes represent a significant portion of your all-in monthly cost. First-time buyers often underestimate this line item — the calculator above includes it in the all-in monthly estimate so you see the true cost of ownership, not just the loan payment.
Use the main calculator to customize your Illinois mortgage scenario with your exact home price, down payment, and loan term.
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