Calculate your monthly mortgage payment in Illinois. Pre-filled with Illinois's typical home value of $297,600 (Zillow Home Value Index, August 2026) and an effective property tax rate of 1.92% (Census ACS 2024 1-year, median taxes ÷ median home value).
Est. Monthly Payment
$2,189
Principal & Interest
$1,589
Property Tax / mo
$476
Total Interest Paid
$333,871
| Home Price | $297,600 | Typical home value in Illinois — Zillow Home Value Index, August 2026 |
| Down Payment | 20% ($59,520) | Assumption — no sourced state average |
| Loan Amount | $238,080 | Home price minus down payment |
| Interest Rate | 7.03% | Freddie Mac PMMS national average, week of 2026-09-24 — not a Illinois rate |
| Loan Term | 30 years | Assumption |
| Property Tax | 1.92% / year | Illinois effective rate — Census ACS 2024 1-year, median taxes ÷ median home value |
| Home Insurance | 0.5% / year | Assumption — not a sourced premium |
Programs named for Illinois: IHDA Access Forgivable, IHDA Access Deferred, Smartbuy. This list has no recorded source or date and may be out of date — confirm current programs and eligibility with the Illinois housing finance agency before you rely on it.
Cost of living: Moderate (index 94.5, MERIC (C2ER index), Second Quarter 2026) · Population: 12,719,141 (Census Bureau estimate, July 1, 2025)
Illinois has a typical home value of about $297,600 (Zillow Home Value Index, August 2026), below the U.S. typical value of $368,700. With an assumed 20% down payment of $59,520, a buyer would finance $238,080 over 30 years. At the national 7.03% fixed rate, the monthly principal and interest payment comes to $1,589.
The effective property tax rate in Illinois — median real estate taxes paid divided by median home value — is 1.92% per year (Census ACS 2024 1-year, median taxes ÷ median home value), against 0.89% for the U.S. Combined with an assumed $124 a month for homeowners insurance, the estimated all-in monthly housing cost is about $2,189.
Using the 28% housing cost guideline, you would need a gross annual income of approximately $93,804 to qualify comfortably. The median household income in Illinois is $83,211 (Census ACS 2024 1-year).
