On a $100K salary, Wyoming keeps you $4,830 more than Illinois.
Wyoming
$79,180
take-home on $100K
No state income tax
Illinois
$74,350
take-home on $100K
Top rate: 4.95%
State Tax Rate
0%
Wyoming
Annual Savings on $100K
$4,830
Wyoming advantage
State Tax Rate
4.95%
Illinois
Single filer, standard deduction, no other adjustments.
| Gross Salary | Wyoming Take-Home | Illinois Take-Home | Wyoming Saves |
|---|---|---|---|
| $40K | $34,320(14.2%) | $32,460(18.8%) | +$1,860/yr |
| $50K | $42,355(15.3%) | $40,000(20.0%) | +$2,355/yr |
| $60K | $50,390(16.0%) | $47,540(20.8%) | +$2,850/yr |
| $75K | $61,593(17.9%) | $58,000(22.7%) | +$3,592/yr |
| $100K | $79,180(20.8%) | $74,350(25.6%) | +$4,830/yr |
| $125K | $96,704(22.6%) | $90,636(27.5%) | +$6,067/yr |
| $150K | $113,791(24.1%) | $106,486(29.0%) | +$7,305/yr |
| $200K | $148,927(25.5%) | $139,147(30.4%) | +$9,780/yr |
2026 IRS brackets · FICA included · State tax estimated · Numbers rounded
| Wyoming — $100K Salary | |
|---|---|
| Federal Income Tax | −$13,170 |
| Social Security (6.2%) | −$6,200 |
| Medicare (1.45%) | −$1,450 |
| Total Tax | −$20,820 |
| Annual Take-Home | $79,180 |
| 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 |
Wyoming has lower income taxes than Illinois. On a $100,000 salary (2026), Wyoming residents take home $4,830 more per year. Wyoming top state rate: 0% (no state income tax); Illinois: 4.95%. At $200K the gap grows to $9,780/year.
Wyoming top state income tax rate: 0% (no state income tax). Illinois top rate: 4.95%. Both states also have the same federal income tax rates and FICA (Social Security + Medicare) taxes.
Moving from Illinois to Wyoming could save you $4,830/year on a $100K salary — that's $402/month. Over 10 years, that's potentially $48,300 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, Wyoming take-home is $148,927 vs $139,147 in Illinois — a difference of $9,780 per year. The gap widens significantly at higher incomes because no-tax states save a larger absolute dollar amount as income rises.
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: Wyoming charges $0 vs Illinois charges up to 4.95%.
See how Wyoming stacks up against other states.
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Add 401k, health insurance, filing status, and more for a precise number.