2026 South Dakota Sales Tax Calculator & Rates

4.5% - 6.5%

South Dakota combined sales tax rate for 2026

South Dakota

4.5%
Local rate range

0%–2%

Minimum combined sales tax rate

4.5% - 6.5%

*Rates are rounded to the nearest hundredth. Due to varying local sales tax rates, we strongly recommend our lookup and calculator tools on this page for the most accurate rates.

Sales tax rate lookup and sales tax item calculator

Look up the current rate for a specific address using the same geolocation technology that powers the Avalara AvaTax rate calculation engine.

Tax rates can vary within a county, a city, or even a ZIP code. Using a street address helps to ensure more accurate rates and calculations when compared to relying on broader geographic indicators.

*Rates are rounded to the nearest hundredth.

Enter any U.S. address to get the sales tax rate for your exact location

Need more rates? Get immediate access to our sales tax calculator.

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Minimum combined sales tax rate

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Amount entered

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Automate your calculations

AvaTax offers street-level precision at the point of sale, eliminating the need to look up rates or maintain a database. Rate updates are pushed to your system automatically, based on the latest jurisdiction rules and regulations.

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Additional Resources

2026 rates for South Dakota cities and counties

Note: There can be variations within city and county lines. For more accurate rates, use the sales tax calculator.

Download rate tables

South Dakota sales tax overview

The South Dakota (SD) state sales tax rate is currently 4.5%. Depending on local municipalities, the total tax rate can be as high as 6.5%.

South Dakota sales tax guide

This free, online guide covers managing South Dakota sales tax compliance, including business registration, collecting tax returns, and state nexus obligations.

Visit the guide