Taxes in Naperville, Illinois
Complete tax guide for Naperville, IL. State income tax up to 4.95%, 2.15% property tax, 7.75% sales tax. Calculate your total tax burden.
State Income Tax
4.95%
Illinois
Property Tax
2.15%
Effective rate
Sales Tax
7.75%
Combined rate
Tax Burden
Very High
Naperville, IL Tax Overview
Affluent suburb; high incomes offset by high property taxes
Population
149,540
Median Income
$123,609
Cost of Living
113.5 (100 = avg)
State Income Tax
4.95%
Median Home Price
$440,000
Naperville Tax Calculator
Pre-filled with Naperville median: $123,609
Total Tax Burden in Naperville
$34,488
Take-Home: $89,121 · Effective Rate: 27.90%
Federal Tax
$18,913
15.30% eff.
IL State
$6,119
4.95% eff.
FICA
$9,456
7.65% eff.
Take-Home
$89,121
72.10% kept
Tax Breakdown
| Item | Annual | Monthly |
|---|---|---|
| Gross Income | $123,609.00 | $10,300.75 |
| Federal Income Tax | -$18,913.16 | -$1,576.10 |
| Illinois State Tax | -$6,118.65 | -$509.89 |
| Social Security (6.2%) | -$7,663.76 | -$638.65 |
| Medicare (1.45%) | -$1,792.33 | -$149.36 |
| Take-Home Pay | $89,121.11 | $7,426.76 |
Property Tax in Naperville
Median Home
$440,000
Annual Tax
$9,460
Monthly Tax
$788
Effective Rate
2.15%
Sales Tax in Naperville
Combined Rate
7.75%
State Portion
~5.3%
Local Portion
~2.5%
The combined sales tax rate in Naperville is 7.75%, which is above the national average of 7.12%. On a $100 purchase, you would pay $7.75 in sales tax.
Tax Burden Comparison
| Tax Type | Naperville | Illinois Avg | National Avg |
|---|---|---|---|
| Income Tax | 4.95% | 4.95% | 4.6% |
| Property Tax | 2.15% | ~2.15% | 1.1% |
| Sales Tax | 7.75% | ~7.75% | 7.12% |
| Overall Burden | Very High | — | Moderate |
About Taxes in Naperville
Naperville has a population of approximately 149,540 residents with a median household income of $123,609. The cost of living index is 113.5 (13.5% higher than the national average of 100).
Local context: Affluent suburb; high incomes offset by high property taxes
Tax burden classification: Very High. Effective combined tax rate of 37.3% includes federal, state, FICA, property, and sales taxes for a typical Naperville household.
Official Tax Resources for Illinois
For authoritative Illinois tax forms, filing deadlines, and the latest legislative updates, consult these official government resources:
- Illinois Department of Revenue — official state revenue agency
- Illinois Individual Income Tax Forms — current tax year forms and instructions
- IRS Federal Tax Forms and Instructions — federal income tax filing
Tax Saving Tips for Naperville Residents
- Illinois's income tax rate of 4.95% is competitive. You may still benefit from maximizing 401(k) contributions ($23,500 limit) to reduce your taxable income at both state and federal levels.
- Property tax in Naperville (2.15%) is above the national average. Check if you qualify for homestead exemptions or assessment appeals to reduce your property tax bill.
- Use a Health Savings Account (HSA) if eligible. Contributions are tax-deductible ($4,400 individual, $8,750 family), growth is tax-free, and withdrawals for medical expenses are tax-free.
Other Cities in Illinois
Chicago
Very HighAurora
HighJoliet
HighRockford
HighElgin
HighSpringfield
ModeratePeoria
ModerateChampaign
HighSources & Methodology
Tax rate data on this page is compiled from official government sources and updated for the 2026 tax year. Calculations follow the IRS-published 2026 federal tax brackets, FICA rates (6.2% Social Security up to $176,100 wage base, 1.45% Medicare), and Illinois state tax provisions. Property tax estimates use Naperville's median home value of $440,000and the local effective property tax rate of 2.15%.
- • Federal tax brackets and standard deductions: IRS.gov
- • State income tax rates and brackets: Illinois Department of Revenue
- • Median household income, home value, and demographics: U.S. Census Bureau ACS
- • Cost of living comparisons: U.S. Bureau of Labor Statistics CES
- • National average benchmarks: Tax Foundation state-level tax burden studies
Disclaimer: Estimates are for informational purposes only. Actual tax liability depends on filing status, deductions, credits, and individual circumstances. Consult a licensed tax professional or your state revenue agency for binding tax guidance.
Reviewed by LevyIO Tax Research Team · Published 2026-01-15 · Last updated 2026-04-30
Calculate Your Full Illinois Tax Burden
See detailed state tax brackets, FICA breakdown, and compare to neighboring states.
Frequently Asked Questions
What are the tax rates in Naperville, IL?
Naperville, Illinois has a state income tax rate up to 4.95%. The property tax rate is 2.15% and the combined sales tax rate is 7.75%. Affluent suburb; high incomes offset by high property taxes
How much is property tax in Naperville?
The effective property tax rate in Naperville is 2.15%. On the median home price of $440,000, this equals approximately $9,460 per year or $788 per month. This is above the national average of 1.1%.
What is the sales tax rate in Naperville?
The combined sales tax rate in Naperville is 7.75%, which includes both state and local components. This is above the national average combined rate of approximately 7.12%.
How does Naperville's tax burden compare to other cities?
Naperville has a very high overall tax burden. The effective total tax rate for a median-income household is approximately 37.3%. The combination of 4.95% state income tax, 2.15% property tax, and 7.75% sales tax determines the total burden. Cost of living index is 113.5 (100 = national average).
Are there any local taxes in Naperville?
Naperville does not impose a separate local or city income tax. Residents pay the state income tax of 4.95%, federal income tax, and FICA (Social Security and Medicare). Affluent suburb; high incomes offset by high property taxes