South Dakota Sales Tax Calculator

Calculate sales tax in South Dakota. 4.5% state rate + 1.9% average local tax = 6.4% combined rate. Free calculator with city-specific rates and exemption details.

State Rate
4.5%
Avg Local
1.9%
Combined
6.4%
Highest Rate
8.5%
Average local rate pre-filled. Adjust for your city.

Sales Tax Rates in Major South Dakota Cities

CityCombined Rate
Sioux Falls6.5%
Rapid City6.5%
Aberdeen6.5%
Brookings6.5%

Quick Reference โ€” South Dakota at 6.4% Combined Rate

PurchaseTaxTotal
$10.00$0.64$10.64
$25.00$1.60$26.60
$50.00$3.20$53.20
$100.00$6.40$106.40
$250.00$16.00$266.00
$500.00$32.00$532.00
$1,000.00$64.00$1064.00
$5,000.00$320.00$5320.00

South Dakota Sales Tax Guide (2026)

South Dakota taxes groceries at the full rate. With no state income tax, sales tax is the primary revenue source. Municipal taxes can add up to 2%. Tourism-heavy areas like Deadwood have higher rates.

Tax Exemptions in South Dakota

How South Dakota Sales Tax Works

In South Dakota, the total sales tax you pay is the sum of the 4.5% state rate plus any local taxes imposed by your city or county. Local rates vary, with the average being 1.9% for a combined rate of 6.4%. The highest combined rate in South Dakota is 8.5% (some areas).

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Frequently Asked Questions

What is the sales tax rate in South Dakota?
South Dakota has a 4.5% state sales tax rate. With average local taxes of 1.9%, the combined rate is 6.4%. South Dakota taxes groceries at the full rate. With no state income tax, sales tax is the primary revenue source. Municipal taxes can add up to 2%. Tourism-heavy areas like Deadwood have higher rates.
Are groceries taxed in South Dakota?
Groceries in South Dakota are full rate. Unlike most states, South Dakota taxes groceries at the full sales tax rate.
Is clothing taxed in South Dakota?
Clothing in South Dakota is taxed. Standard sales tax rates apply to clothing purchases.
What is the highest sales tax rate in South Dakota?
The highest combined rate in South Dakota is 8.5% (some areas). Rates vary by city and county due to local tax additions.
What are sales tax rates in major South Dakota cities?
Sioux Falls (6.5%), Rapid City (6.5%), Aberdeen (6.5%), Brookings (6.5%).

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Methodology, Assumptions, and Limitations

About this page: South Dakota Sales Tax Calculator โ€” 6.4% Rate (2026) is designed to help visitors make faster, better-informed decisions without creating an account or giving up personal data.

This estimate uses current federal and/or state tax assumptions, common filing-status logic, and the inputs you enter. It does not reproduce your exact payroll system, year-to-date withholding history, or every local tax rule.

Worked example: Example: compare the same salary under two filing statuses or with different pre-tax deductions to see how withholding or after-tax cash flow changes.

Source References

Editorial Transparency

Last updated: March 9, 2026 ยท Author: CalcSharp Editorial Team ยท Reviewed by: CalcSharp Finance Review Desk

CalcSharp publishes free educational calculators and guides. We prioritize plain-English explanations, visible assumptions, and links to primary or official references wherever practical.

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