South Dakota sales tax at a glance
South Dakota's typical combined rate of 6.11% ranks 36th highest among the 50 states. South Dakota's 4.2% state rate is a temporary cut scheduled to sunset in June 2027.
What sales tax adds at the register
At the average combined rate of 6.11%:
| Price | Sales tax | Total |
|---|---|---|
| $25 | $1.53 | $26.53 |
| $100 | $6.11 | $106.11 |
| $500 | $30.55 | $530.55 |
| $2,000 | $122.20 | $2,122.20 |
Frequently asked questions
+What is the sales tax in South Dakota in 2026?
South Dakota's state sales tax is 4.2%. Cities, counties and districts add local taxes averaging 1.91% (population-weighted), for a typical combined rate of 6.11% — and up to 8.7% in the highest-tax localities. South Dakota's 4.2% state rate is a temporary cut scheduled to sunset in June 2027.
+How do I calculate South Dakota sales tax backwards from a total?
Divide the total by 1 plus the rate as a decimal. At 6.11%, a $106.11 total means a $100.00 price and $6.11 tax. Choose "Total after tax (reverse)" above to do it automatically.
+Do online orders charge South Dakota sales tax?
Yes. Since the Wayfair decision, large online sellers must collect South Dakota sales tax based on your delivery address — the same state and local rate you'd pay in a store.
+Is the rate the same everywhere in South Dakota?
No. Local rates vary by city and county, from 4.2% (state only) up to about 8.7%. Use a recent receipt or your state revenue department's lookup for your exact address.
Rates as of July 1, 2026, from state revenue departments compiled by the Tax Foundation; local averages are population-weighted. Product exemptions (groceries, clothing, medicine) vary by state. Estimates only — see our terms.