South Dakota Tax Tables for 2020
The 2020 South Dakota Tax Tables summarise the state-level rules applied to wages, deductions, credits and taxable income. These tables match the rules used by the South Dakota State Tax Calculator 2020.
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South Dakota Tax Tables for 2020
The tables below outline the income tax structure, deduction amounts, state-level credits and payroll-related rules used for South Dakota in 2020. South Dakota applies a flat income tax to this filing status. All taxable income is taxed at the same rate, with no marginal brackets. This table shows the single rate used in calculations. To understand how flat tax tables differ from progressive systems, see our Tax Tables guide.
Single – Flat Income Tax (2020)
A single flat tax rate applies to all taxable income for Single filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 0% |
Married filing jointly – Flat Income Tax (2020)
A single flat tax rate applies to all taxable income for Married filing jointly filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 0% |
Married filing separately – Flat Income Tax (2020)
A single flat tax rate applies to all taxable income for Married filing separately filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 0% |
Head of household – Flat Income Tax (2020)
A single flat tax rate applies to all taxable income for Head of household filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 0% |
Widowed – Flat Income Tax (2020)
A single flat tax rate applies to all taxable income for Widowed filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 0% |
South Dakota Standard Deduction(2020)
State-level standard deduction amounts for each filing status.
| Filing Status | Amount |
|---|---|
| Single | $0 |
| Married filing jointly | $0 |
| Married filing separately | $0 |
| Head of household | $0 |
| Widowed | $0 |
South Dakota Tax Tables for Related Years
These related years are often reviewed together for comparing bracket changes, deductions and South Dakota updates:
Frequently Asked Questions
Does South Dakota have a standard “withholding allowance”?
Withholding allowances apply to federal Form W-4. South Dakota has no separate income tax withholding.
Do I need to worry about reciprocal agreements with South Dakota?
Reciprocity is generally about income taxes between states. Since South Dakota has none, reciprocity is typically not applicable. Check the work state’s rules.
What about local school or property taxes—do they hit my paycheck?
No. Property taxes and local assessments don’t reduce W-2 payroll withholding; they affect household budgets, not net pay.
How do stock sales affect my withholdings in South Dakota?
They don’t change W-2 withholding automatically. Capital gains are taxed federally; adjust W-4 if you expect a balance due.
How do I plan cash flow with no state tax?
Use the Daily Expense Savings and Compound Interest tools to allocate more of your net pay to goals.
Important Notes
All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.