South Dakota Sales Tax Calculator (2025)
South Dakota levies a state sales tax of 4.20%. Local jurisdictions add an average of 1.91%, bringing the combined effective rate to 6.11%. Enter any pre-tax price below to see the total with tax — or switch to "remove tax" mode to back out the pre-tax price from a receipt.
Default: South Dakota 6.11%
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South Dakota sales tax breakdown
| State sales tax rate | 4.20% |
| Average local rate (city + county) | 1.91% |
| Combined effective rate | 6.11% |
Sales tax in other states
Sources: Tax Foundation State and Local Sales Tax Rates 2025; South Dakota Department of Revenue. Local rates are population-weighted averages — your specific city or county may differ. Estimates only — confirm at point-of-sale or with the South Dakota DOR for binding figures.