Illinois Divorce Settlement & Maintenance Calculator
Free Illinois maintenance calculator and settlement projection. Estimate maintenance, child support, and property division — then see if your settlement sustains your lifestyle through retirement. Takes under 3 minutes.
Calculate My Illinois Settlement & MaintenanceIllinois Maintenance Calculator — How Maintenance Works
Illinois divorce: financial snapshot
Illinois follows equitable distribution — courts divide marital property fairly, but not necessarily 50/50. The financial impact of your settlement depends on more than just the split — it depends on taxes, housing costs, and whether your income can cover your expenses long-term.
Tax impact: Illinois has a state income tax rate of 4.95% flat. Factor this into your post-divorce budget — maintenance payments, investment income, and retirement withdrawals are all affected.
Housing: The median home value in Illinois is approximately ~$285,000. If you're considering keeping the family home, make sure you can afford the mortgage, taxes, insurance, and maintenance on a single income.
Illinois has a 4.95% flat income tax. Cook County and Chicago have additional property tax burdens that significantly affect the cost of keeping a home. Maintenance payments are tax-neutral in Illinois (no deduction for payor, no income for recipient at the state level since 2019 federal changes).
What Illinois divorcing spouses need to know
Under current law, Illinois follows equitable distribution, meaning courts generally divide marital property fairly — but not necessarily 50/50. The court considers factors like each spouse's income, contributions to the marriage, and future earning potential.
The biggest financial mistake in divorce is accepting a settlement without knowing if it will actually sustain your lifestyle long-term. A settlement that looks fair on paper can still leave you short if you haven't accounted for inflation, the end of maintenance, or the real cost of keeping the family home.
That's what DivorceSmart can help with. Enter your proposed settlement numbers, and get an estimated year-by-year projection of your finances through age 100 — including what happens when income sources end and expenses change.
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Frequently asked questions about Illinois divorce
How is maintenance calculated in Illinois?
How is property divided in a Illinois divorce?
How long do you have to live in Illinois to file for divorce?
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From uncertainty to clarity in 3 steps
No account required. No credit card. Just your numbers.
Enter your numbers
Settlement amount, income, expenses, alimony, house — takes about 2 minutes. Everything runs privately in your browser.
See the projection
Get a year-by-year chart showing your net worth from now through age 100. Green, yellow, or red — you'll know where you stand instantly.
Model & export
Test different settlement terms to find which saves you the most money, compare offers side-by-side, and export a report for your attorney.
Every projection is deterministic — same inputs always produce the same outputs. Results are estimates based on the assumptions you provide.
See what a Pro analysis looks like
We built a complete Pro analysis for a fictional person named Sarah. Explore every section — charts, what-if scenarios, risk timeline, negotiation leverage — so you can see what’s included before running your own numbers.
You don’t need a $5,000 CDFA retainer to understand your own numbers
Start with the free projection. If the numbers raise questions you can’t answer, upgrade to Pro for $19 — one-time, no subscription — and discover which settlement terms could save you thousands.
Not financial or legal advice. DivorceSmart is an educational planning tool. Always consult a qualified attorney and financial advisor before making settlement decisions.