On a $100K salary, Arizona keeps you $2,695 more than Illinois.
Illinois
$74,350
take-home on $100K
Top rate: 4.95%
Arizona
$77,045
take-home on $100K
Top rate: 2.5%
State Tax Rate
4.95%
Illinois
Annual Savings on $100K
$2,695
Arizona advantage
State Tax Rate
2.5%
Arizona
Single filer, standard deduction, no other adjustments.
| Gross Salary | Illinois Take-Home | Arizona Take-Home | Arizona Saves |
|---|---|---|---|
| $40K | $32,460(18.8%) | $33,685(15.8%) | +$1,225/yr |
| $50K | $40,000(20.0%) | $41,470(17.1%) | +$1,470/yr |
| $60K | $47,540(20.8%) | $49,255(17.9%) | +$1,715/yr |
| $75K | $58,000(22.7%) | $60,083(19.9%) | +$2,082/yr |
| $100K | $74,350(25.6%) | $77,045(23.0%) | +$2,695/yr |
| $125K | $90,636(27.5%) | $93,944(24.8%) | +$3,307/yr |
| $150K | $106,486(29.0%) | $110,406(26.4%) | +$3,920/yr |
| $200K | $139,147(30.4%) | $144,292(27.9%) | +$5,145/yr |
2026 IRS brackets · FICA included · State tax estimated · Numbers rounded
| Illinois — $100K Salary | |
|---|---|
| Federal Income Tax | −$13,170 |
| Illinois State Tax | −$4,830 |
| Social Security (6.2%) | −$6,200 |
| Medicare (1.45%) | −$1,450 |
| Total Tax | −$25,650 |
| Annual Take-Home | $74,350 |
| Arizona — $100K Salary | |
|---|---|
| Federal Income Tax | −$13,170 |
| Arizona State Tax | −$2,135 |
| Social Security (6.2%) | −$6,200 |
| Medicare (1.45%) | −$1,450 |
| Total Tax | −$22,955 |
| Annual Take-Home | $77,045 |
Arizona has lower income taxes than Illinois. On a $100,000 salary (2026), Arizona residents take home $2,695 more per year. Arizona top state rate: 2.5%; Illinois: 4.95%. At $200K the gap grows to $5,145/year.
Illinois top state income tax rate: 4.95%. Arizona top rate: 2.5%. Both states also have the same federal income tax rates and FICA (Social Security + Medicare) taxes.
Moving from Illinois to Arizona could save you $2,695/year on a $100K salary — that's $225/month. Over 10 years, that's potentially $26,950 in tax savings, not accounting for raises or investment growth. However, cost of living differences (housing, property taxes, sales tax) should also factor in.
Income tax is only part of the picture. Be sure to also compare sales tax, property taxes, and cost of living. This tool focuses on state income tax differences. For a complete picture, research each state's total tax burden.
At $200,000 gross salary, Arizona take-home is $144,292 vs $139,147 in Illinois — a difference of $5,145 per year. The gap widens significantly at higher incomes due to progressive tax brackets.
All figures are for a single filer using the standard deduction with no other adjustments (no 401k, no pre-tax benefits). Federal income tax, Social Security (6.2% up to $176,100), and Medicare (1.45%) are the same in both states. The difference is entirely due to state income tax: Illinois charges up to 4.95% vs Arizona charges up to 2.5%.
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Add 401k, health insurance, filing status, and more for a precise number.