South Dakota Sales Tax Calculator (2025)
Find up-to-date South Dakota sales tax rates for 2025. The state rate is 4.20%, local add-ons up to 2.00%, with an average combined rate around 5.80%. Includes exemptions and breakdowns for major cities.
South Dakota applies a statewide sales tax rate of 4.2%. Local municipalities can add up to 2%, creating combined rates between 4.2% and 6.2% across the state.
South Dakota Sales Tax Calculator
Enter a purchase amount — this calculator uses the average combined rate for South Dakota.
Overview of South Dakota Sales Tax
South Dakota’s sales tax applies to most goods and services, including groceries. Cities and municipalities can add up to 2% for local infrastructure and public services.
Comparison With Neighboring States
North Dakota averages 7%, Minnesota 7.4%, and Nebraska 7%. South Dakota’s 6.2% typical rate is among the lowest in the Upper Midwest.
Business Tax Information
Retailers must register with the South Dakota Department of Revenue to collect and remit sales tax. Monthly or quarterly filing is required depending on sales volume.
All Cities in South Dakota
Browse detailed city-level rates across South Dakota.
Sioux Falls
6.20%
Sioux Falls applies a combined sales tax rate of about 6.2%, including South Dakota’s 4.2% base rate and a 2% city ...
Rapid City
6.20%
Rapid City applies a combined rate of 6.2%, which includes the state rate and 2% local additions.
Aberdeen
6.20%
Aberdeen’s total sales tax rate is 6.2%, combining the 4.2% state rate and a 2% city rate.
Brookings
6.20%
Brookings applies a 6.2% total sales tax rate, including state and local components.
Watertown
6.20%
Watertown applies a total 6.2% sales tax, combining the 4.2% state rate and a 2% local rate.
Mitchell
6.20%
Mitchell’s total rate is 6.2%, including the state and city portions.
Yankton
6.20%
Yankton applies a total sales tax rate of 6.2%, including the 4.2% state tax and 2% local rate.
Vermillion
6.20%
Vermillion applies a total 6.2% sales tax rate, including state and local portions.
Huron
6.20%
Huron’s total rate is 6.2%, combining South Dakota’s state rate and a 2% local addition.
Spearfish
6.20%
Spearfish applies a total 6.2% sales tax rate, consistent with most South Dakota cities.
FAQs for South Dakota
What is South Dakota’s state sales tax rate?
4.2% statewide.
Can cities add additional taxes?
Yes, municipalities can add up to 2%.
What’s the highest total rate?
6.2% in cities like Sioux Falls and Rapid City.
Are groceries taxed?
Yes, groceries are taxed at the full sales tax rate.