Idaho vs Illinois Paycheck Comparison 2026
Annual salary
Annual salary
Additional options (filing status, deductions)
You take home $559/yr more in Illinois
$47/mo · $21/paycheck more
$57,321/yr in Idaho vs $57,880/yr in Illinois.
Idaho
Take-home per paycheck
$2,204.66
$57,321/yr · 26x/yr
Tax rates
Illinois
Take-home per paycheck
$2,226.15
$57,880/yr · 26x/yr
Tax rates
Cost of living comparison
Cost of living in Idaho is 5% higher than in Illinois.
At a $75,000 salary, take-home pay of $57,321 in Idaho has the purchasing power of $59,916 in Illinois terms.
After adjusting for cost of living, Idaho comes out ahead by $2,036/yr.
Estimate based on 2026 tax rates and standard deductions. Does not include local taxes, itemized deductions, tax credits, or other individual circumstances.
Tax system comparison
Idaho: Idaho has a flat state income tax of 5.70%. All taxable income is taxed at the same rate.
Illinois: Illinois has a flat state income tax of 4.95%. All taxable income is taxed at the same rate.
Take-home pay at different salaries (single filer, 2026)
| Salary | Idaho take-home | Illinois take-home | Difference |
|---|---|---|---|
| $50,000 | $39,508 | $39,880 | -$372 |
| $75,000 | $57,321 | $57,880 | -$559 |
| $100,000 | $73,485 | $74,230 | -$745 |
| $150,000 | $105,249 | $106,366 | -$1,117 |
| $200,000 | $137,537 | $139,027 | -$1,490 |
| $300,000 | $198,092 | $200,327 | -$2,235 |
Positive values mean higher take-home in Idaho. Assumes single filer, no deductions.
FAQ
Which state has lower taxes, Idaho or Illinois?
At a $100,000 salary, Illinois results in $745 more annual take-home pay. Idaho has a flat state income tax of 5.70%. All taxable income is taxed at the same rate. Illinois has a flat state income tax of 4.95%. All taxable income is taxed at the same rate.
How much more do you take home in Illinois vs the other state?
The difference depends on salary. At $50,000, the gap is $373/yr. At $150,000, it grows to $1,118/yr. At $300,000, the difference is $2,235/yr.
Do Idaho and Illinois have the same federal taxes?
Yes. Federal income tax, Social Security, and Medicare are the same in every state. Only state income tax differs. This calculator shows the combined effect of federal and state taxes on your take-home pay.
Is it cheaper to live in Idaho or Illinois?
Idaho is cheaper to live in. Cost of living in Idaho is 1% lower than in Illinois. Idaho's Regional Price Parity is 95.9 and Illinois's is 97.1 (US average = 100).
Is Idaho cheaper than Illinois?
Yes. Idaho has a lower cost of living than Illinois (index 95.9 vs 97.1). Housing is typically the biggest difference between the two states.
Is Illinois more expensive than Idaho?
Yes. Illinois has a higher cost of living (index 97.1) compared to Idaho (index 95.9). The national average is 100. Housing costs are typically the largest driver of the difference.
After cost of living, which state is actually cheaper?
At a $100,000 salary, take-home pay of $73,485 in Idaho has the purchasing power of $72,577 in Illinois terms. Conversely, $74,230 in Illinois equals $75,159 in Idaho terms. After adjusting for both taxes and cost of living, Illinois comes out ahead.
Idaho vs Illinois cost of living — what's the difference?
The overall cost of living is 1% different between Idaho and Illinois. Living costs are about 4% below the national average Living costs are about 3% below the national average After taxes and cost of living, Illinois gives you more purchasing power on a $100,000 salary.
Related tools
- Idaho vs Illinois Cost of Living — Compare housing, groceries, utilities, and overall expenses
- How much house can you afford in Idaho?
- How much house can you afford in Illinois?
Idaho Paycheck Estimator · Illinois Paycheck Estimator · All states