South Dakota income tax calculator
South Dakota has no income tax on wages for 2026. On $100,000 of pay a single filer keeps $79,180, after $13,170 of federal income tax, $7,650 of Social Security and Medicare, and $0 to South Dakota.
Your year
South Dakota’s 2026 schedule, deductions and exemptions, with the federal brackets, payroll tax and the child tax credit.
I’m paid a year, file , live in South Dakota and put into a 401(k).
kept for 2026, about $6,598 a month. Tax takes 20.8% of your pay.
| Federal income tax | $13,170 |
| Social Security | $6,200 |
| Medicare | $1,450 |
| South Dakota income tax | $0 |
| All of it | $20,820 |
Of your next $1,000 of pay, $297 goes to tax: the 22% federal bracket, payroll tax and the state’s 0%. See what would lower it.
Take-home pay in South Dakota
What a year’s pay keeps after every tax, with no 401(k), kids or other income.
| Pay | State tax | Kept, single | Kept, jointly |
|---|---|---|---|
| $50,000 | $0 | $42,355 | $44,395 |
| $75,000 | $0 | $61,593 | $64,623 |
| $100,000 | $0 | $79,180 | $84,710 |
| $150,000 | $0 | $113,791 | $123,185 |
| $250,000 | $0 | $183,182 | $197,468 |
Questions people ask
What is the South Dakota income tax rate for 2026?
South Dakota has no income tax on wages, so pay is taxed only by the IRS: federal income tax, Social Security and Medicare.
How much is take-home pay on $100,000 in South Dakota?
$79,180 for a single filer in 2026, about $6,598 a month: $13,170 of federal income tax, $7,650 of Social Security and Medicare, and $0 to South Dakota.
How does South Dakota compare with a state with no income tax?
It is one of them: $100,000 keeps the same $79,180 it would in Texas or Florida.
Does a 401(k) lower South Dakota income tax?
It lowers federal income tax only, since South Dakota has none. It doesn't lower Social Security or Medicare.
Checked on October 29, 2026 against Rev. Proc. 2025-32, SSA 2026 fact sheet and South Dakota's published 2026 schedule. An estimate for your records, not tax advice.
The federal side: the 2026 brackets. From your own pay stub, with what is left to pay: the tax forecast.
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Put more back in your pocket.
Reimburse works out your whole year from a pay stub and last year's return, and every move that would lower it.