Illinois vs South Dakota Paycheck Comparison 2026
Annual salary
Annual salary
Additional options (filing status, deductions)
You take home $3,713/yr more in South Dakota
$309/mo · $143/paycheck more
$57,880/yr in Illinois vs $61,593/yr in South Dakota.
Illinois
Take-home per paycheck
$2,226.15
$57,880/yr · 26x/yr
Tax rates
South Dakota
Take-home per paycheck
$2,368.94
$61,593/yr · 26x/yr
Tax rates
Cost of living comparison
Cost of living in Illinois is 3% higher than in South Dakota.
At a $75,000 salary, take-home pay of $57,880 in Illinois has the purchasing power of $59,898 in South Dakota terms.
After adjusting for cost of living, South Dakota comes out ahead by $1,695/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
Illinois: Illinois has a flat state income tax of 4.95%. All taxable income is taxed at the same rate.
South Dakota: South Dakota has no state income tax. Residents pay only federal income tax, Social Security, and Medicare.
Take-home pay at different salaries (single filer, 2026)
| Salary | Illinois take-home | South Dakota take-home | Difference |
|---|---|---|---|
| $50,000 | $39,880 | $42,355 | -$2,475 |
| $75,000 | $57,880 | $61,593 | -$3,712 |
| $100,000 | $74,230 | $79,180 | -$4,950 |
| $150,000 | $106,366 | $113,791 | -$7,425 |
| $200,000 | $139,027 | $148,927 | -$9,900 |
| $300,000 | $200,327 | $215,177 | -$14,850 |
Positive values mean higher take-home in Illinois. Assumes single filer, no deductions.
FAQ
Which state has lower taxes, Illinois or South Dakota?
At a $100,000 salary, South Dakota results in $4,950 more annual take-home pay. Illinois has a flat state income tax of 4.95%. All taxable income is taxed at the same rate. South Dakota has no state income tax. Residents pay only federal income tax, Social Security, and Medicare.
How much more do you take home in South Dakota vs the other state?
The difference depends on salary. At $50,000, the gap is $2,475/yr. At $150,000, it grows to $7,425/yr. At $300,000, the difference is $14,850/yr.
Do Illinois and South Dakota 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 Illinois or South Dakota?
South Dakota is cheaper to live in. Cost of living in Illinois is 6% higher than in South Dakota. Illinois's Regional Price Parity is 97.1 and South Dakota's is 91.8 (US average = 100).
Is South Dakota cheaper than Illinois?
Yes. South Dakota has a lower cost of living than Illinois (index 91.8 vs 97.1). Housing is typically the biggest difference between the two states.
Is Illinois more expensive than South Dakota?
Yes. Illinois has a higher cost of living (index 97.1) compared to South Dakota (index 91.8). 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 $74,230 in Illinois has the purchasing power of $78,516 in South Dakota terms. Conversely, $79,180 in South Dakota equals $74,858 in Illinois terms. After adjusting for both taxes and cost of living, Illinois comes out ahead.
Illinois vs South Dakota cost of living — what's the difference?
The overall cost of living is 5% different between Illinois and South Dakota. Living costs are about 3% below the national average Living costs are 8% below the national average After taxes and cost of living, Illinois gives you more purchasing power on a $100,000 salary.
Related tools
- Illinois vs South Dakota Cost of Living — Compare housing, groceries, utilities, and overall expenses
- How much house can you afford in Illinois?
- How much house can you afford in South Dakota?
Illinois Paycheck Estimator · South Dakota Paycheck Estimator · All states