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South Dakota has no state income tax, which means your paycheck is shaped entirely by federal rules. Here's exactly what comes out of a South Dakota paycheck and what you actually keep. What comes out of a South Dakota paycheck With no state income tax, every South Dakota paycheck runs through: Federal income tax — based on income, filing status, and W-4 elections Social Security tax — 6.2% on wages up to $184,500 for 2026 Medicare tax — 1.45% on all wages, no cap (plus 0.9% above $200,000 for single filers) Pre-tax deductions like health insurance and 401(k) contributions reduce taxable income before this math applies. Worked example: $50,000 salary in South Dakota Single filer, paid biweekly (26 pay periods), no pre-tax deductions: Standard deduction (2026, single): $16,100 Taxable income: $50,000 − $16,100 = $33,900 Federal tax owed: 10% on the first $12,400 ($1,240) + 12% on the remaining $21,500 ($2,580) = $3,820 Social Security: 6.2% × $50,000 = $...

Find your paycheck in under a minute Every guide on this blog shows the math behind take-home pay: federal tax, state tax and FICA, worked out line by line. Pick your state, your salary or your hourly wage below. Or skip the reading and run your own numbers. Open the take-home calculator By state By salary By hourly wage When your paycheck changes Paycheck terms Your state State tax is the biggest reason the same salary pays differently in different places. Open the group that matches your state. No state income tax on wages (9 states) Alaska Florida Nevada New Hampshire South Dakota Tennessee Texas Washington Wyoming One flat state rate (16 states) Arizona Colorado Georgia Idaho Illinois Indiana Iowa Kentucky Louisiana Massachusetts Michigan Mississippi North Carolina Ohio Pennsylvania Utah Tax brackets that rise with income (25 states) Alabama Arkansas California Connecticut Delaware Hawaii Kansas Maine Maryland Minnesota Missouri Montana Nebraska New Jersey New Mexico New York North...

Every paycheck has the potential for two separate income tax lines — federal and state — and they don't work identically. Here's how they differ, and why your state matters just as much as your salary. Federal income tax: the same everywhere Federal income tax applies to every U.S. worker regardless of where they live, using the same tax brackets and standard deduction nationwide. For 2026, single filers pay 10% on the first $12,400 of taxable income, 12% on the next bracket, and so on up through higher brackets for higher earners — after subtracting the $16,100 standard deduction (or itemized deductions, if higher). State income tax: it depends entirely on where you live States fall into three broad categories: No income tax at all (9 states): Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming. Residents of these states only deal with federal tax and FICA on their paychecks. Flat-rate income tax: A handful of states apply a single...