Note: Figures are based on publicly available sources as of mid-2026, including Zillow home value data, the Illinois Department of Revenue and MERIC cost of living indexes. Individual situations vary. Informational only — not financial advice.
Cost of Living in Illinois 2026: City-by-City Breakdown
Illinois is the great American paradox: a world city with Midwest housing prices, wrapped in the second-highest property taxes in the nation. The average home costs about $283,000, the income tax is a flat 4.95% with retirement income fully exempt, and downstate cities like Peoria sell houses for what a parking spot costs in San Francisco. Whether Illinois is a bargain or a trap depends entirely on which line items dominate your budget. Let's run the real numbers.
Quick Summary
Chicago delivers big-city amenities at roughly half the housing cost of New York or San Francisco. Downstate Illinois is among the cheapest places to live in America. Against that: a ~2.1% effective property tax rate (2nd-highest in the U.S.), Chicago's 10.25% combined sales tax, and above-average insurance costs. Renters and retirees get Illinois' best deal; owners of expensive suburban homes pay its worst.
Cost of Living Index
~100
At U.S. average
State Income Tax
4.95%
Flat; retirement exempt
Avg Home Value
$283K
Zillow, early 2026
Property Tax
~2.1%
2nd-highest in U.S.
Compare Illinois to Your Current State
See the real cost of living and take-home pay difference between Chicago and your current city.
Illinois Cities Compared
| City | COL Index | Typical Home Value | Avg 1BR Rent | Notes |
|---|---|---|---|---|
| Chicago | ~107 | $320,000 (city) | $2,000/mo | World city, Midwest prices, 10.25% sales tax |
| Naperville / DuPage | ~115 | $550,000 | $1,900/mo | Elite schools, heavy property tax bills |
| Evanston / North Shore | ~120 | $500,000+ | $1,950/mo | Northwestern, lakefront premium |
| Springfield | ~85 | $160,000 | $900/mo | State capital, government stability |
| Peoria | ~82 | $145,000 | $850/mo | Among cheapest metro housing in U.S. |
| Rockford | ~83 | $160,000 | $900/mo | Aerospace suppliers, Chicago overflow |
| Champaign-Urbana | ~88 | $220,000 | $1,000/mo | UIUC, research economy |
Housing: The Cheapest World City on Earth
Chicago's value proposition has no real peer. Typical city-proper values around $320,000 buy access to a lakefront, two international airports, top-ten restaurant scene and an L train that actually goes places — for less than half of what equivalent access costs in New York, Boston or Seattle. Desirable neighborhoods (Lincoln Park, West Loop, Logan Square) run $450,000–$700,000; solid bungalow-belt neighborhoods still trade in the mid-$200,000s.
The suburbs invert the equation. Naperville, Hinsdale and the North Shore command $500,000+ — reasonable by coastal standards until the property tax bill lands. At DuPage County's typical rates, a $550,000 home generates roughly $11,000–$12,000 a year in property taxes, effectively a second mortgage payment.
Downstate is a different country: Peoria ($145,000 typical), Springfield and Rockford ($160,000) offer some of the lowest metro housing costs in America. Illinois lost population for a decade, but that decline has slowed — and for remote workers, downstate's price-to-amenity ratio is quietly excellent.
Illinois Taxes: The Full Picture
| Tax Type | Illinois Rate / Detail | National Context |
|---|---|---|
| State Income Tax | 4.95% flat, no local income taxes | Simple; higher than OH/PA/KY |
| Retirement Income | Fully exempt (SS, pension, 401(k)) | Top-tier for retirees |
| Sales Tax | 6.25% state; Chicago 10.25% combined | Among highest big-city rates |
| Property Tax | ~2.1% effective statewide | 2nd-highest in the U.S. |
| Groceries | 1% state rate (local option to add) | Low but not zero |
Property tax math you must do
Compare total monthly ownership cost, not list price. A $400,000 Illinois home at 2.1% costs ~$700/month in property tax alone — the same house in Kentucky (~0.83%) costs ~$275. Over a 30-year mortgage that difference compounds to more than $150,000. Our property taxes by state guide has the full ranking.
Everyday Costs Beyond Housing
| Category | IL vs U.S. Average | Notes |
|---|---|---|
| Groceries | ~4% below | Strong chain competition; 1% state tax |
| Utilities | ~7% below | Electricity ~16¢/kWh, nuclear fleet helps |
| Healthcare | ~At average | Northwestern, UChicago, Rush systems |
| Transportation | ~5% above in Chicago | CTA can replace a car; parking is brutal |
| Childcare | ~12% above in Chicagoland | Downstate much cheaper |
What Salary Do You Need in Illinois?
Chicago comfort starts around $65,000–$75,000 for a single adult — meaningfully less if you skip the car and use the CTA. Families of four should budget $110,000–$130,000 in Chicagoland (property taxes and childcare are the drivers) but only $75,000–$90,000 downstate. Illinois' median household income of roughly $81,000 is among the highest in the Midwest.
Leaving Illinois for tax reasons? We built a dedicated guide for that: Leaving Illinois, plus head-to-head comparisons: Illinois vs Texas and Illinois vs Florida.
Run Your Illinois Numbers
Compare Chicago or downstate Illinois against your current city in seconds.
Frequently Asked Questions
Is Illinois expensive to live in?
It sits at about the national average overall — but with cheap housing and groceries offset by the 2nd-highest property taxes in the U.S. (~2.1% effective) and Chicago's 10.25% combined sales tax. Downstate is dramatically cheaper than Chicagoland.
What is Illinois' income tax rate?
A flat 4.95% with no local income taxes anywhere in the state. Retirement income — Social Security, pensions, 401(k)/IRA withdrawals — is fully exempt.
Why are Illinois property taxes so high?
Schools and local government are funded primarily through property taxes, compounded by pension obligations. At ~2.1% effective, a $400,000 home generates about $8,400/year — triple the cost in low-tax states like Alabama or Kentucky.
How much does it cost to live in Chicago?
COL index ~105–110. Typical home values near $320,000 and 1BR rents around $2,000 make it America's cheapest world-class city. Singles are comfortable from ~$65,000–$75,000; families of four from ~$110,000–$130,000.
What are the cheapest places to live in Illinois?
Peoria (~$145,000 typical home), Springfield and Rockford (~$160,000) offer some of the lowest metro housing costs in America, with 1BR rents of $800–$950. Job markets are slower, but remote workers do very well.
Related Guides
⚠️ Important: We do NOT collect or store any data you enter. All calculations happen 100% in your browser. Tax calculations use 2026 IRS tax tables (IRS Publication 15-T) and current state tax rates. Cost of living estimates are based on 2026 average market data. This is a free educational tool to help you understand your finances—it is NOT a financial service. Results are for illustrative purposes only and do not constitute professional tax, financial, or legal advice. If you notice any discrepancies, please contact us so we can improve. Consult a qualified CPA or financial advisor for personalized guidance.
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