Illinois Extra Payment Calculator

For a typical $220,000 mortgage (80% of Illinois's $275,000 median home price) at 6.5%, adding $200/month can save you approximately $93,346 in interest and pay off your mortgage 8 years and 7 months early. Your normal total interest would be $280,598, but with extra payments it drops to $187,252. Use the calculator above to see your exact savings.

Both strategies save money, but a lump sum applied early in your loan has the most impact per dollar because it reduces the principal that accrues interest for years. Monthly extra payments offer more consistent savings and are easier to budget for. On a $220,000 Illinois mortgage at 6.5%, a one-time $5,000 payment in year one saves about $10,500 in interest, while $200/month saves $93,346 over the life of the loan. Many Illinois homeowners combine both strategies for maximum benefit.

Illinois law restricts prepayment penalties on residential mortgages; the Illinois Interest Act provides consumer protections that effectively eliminate prepayment penalties on most home loans.

This depends on your mortgage interest rate versus expected investment returns. At 6.5%, extra payments offer a guaranteed "return" equal to your interest rate — that's $93,346 in guaranteed savings on a $220,000 Illinois mortgage. Tax consideration: Illinois has a flat 4.95% state income tax but does not allow mortgage interest deduction on the state return — your tax benefit comes entirely from the federal deduction. If your rate is below 4%, investing in diversified funds may earn more over time. Consider your risk tolerance, tax situation, and financial goals.