Free South Dakota Sales Tax Calculator
South Dakota combined sales tax rate is 6.10% — 4.20% state plus 1.90% average local. Rates updated for 2025.
Tax Rate
State Rate
4.20%
Avg Local
1.90%
Combined
6.10%
State rates sourced from Tax Foundation 2025 data. Local rates are averages — your exact rate may vary by city and county. Always verify with your state's revenue department for compliance.
South Dakota Sales Tax — Common Questions
What is the sales tax rate in South Dakota?
The combined South Dakota sales tax rate is 6.10% — 4.20% state rate plus an average local rate of 1.90%. Your exact rate may be higher or lower depending on your city and county.
How do I calculate sales tax in South Dakota?
Multiply your pre-tax price by 0.0610 to get the tax amount, then add it to the original price for the total. For example, a $100 purchase in South Dakota adds $6.10 in tax for a total of $106.10.
Are groceries taxed in South Dakota?
Grocery tax rules vary by state. South Dakota has a base state rate of 4.20%, but many states exempt groceries or tax them at a reduced rate. Check the South Dakota Department of Revenue for current grocery tax exemptions.