South Dakota Sales Tax Calculator 2026
Figures verified
The South Dakota state sales tax is 4.2%, and the average shopper pays 6.11% once local taxes are added. Calculate the tax on any purchase, or work backwards from a receipt total.
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Sales tax on $100.00 at 6.11% is $6.11, for a total of $106.11.
Total with tax
$106.11
at 6.11% combined rate
- Sales tax
- $6.11
- Pre-tax price
- $100.00
- State rate
- 4.2%
- Avg. local rate
- 1.91%
- max 4.5%
South Dakota sales tax explained
South Dakota charges a 4.2% state sales tax. Cities, counties, and special districts add their own rates, up to 4.5% more, so the combined rate depends on where the sale happens. Weighted by population, the average combined rate is 6.11%, ranking #36 of the 50 states and D.C.
South Dakota taxes groceries at the full rate (4.2% state).
- South Dakota taxes groceries at the full rate. The 4.2% state rate is scheduled to return to 4.5% on July 1, 2027.
Quick reference at 6.11%
| Price | Tax | Total |
|---|---|---|
| $25.00 | $1.53 | $26.53 |
| $100.00 | $6.11 | $106.11 |
| $500.00 | $30.55 | $530.55 |
| $1,500.00 | $91.65 | $1,591.65 |
| $30,000.00 | $1,833.00 | $31,833.00 |
Frequently asked questions
What is the sales tax rate in South Dakota?
The South Dakota state sales tax rate is 4.2%. Local rates add up to 4.5%, and the average shopper pays a combined 6.11%. That ranks South Dakota #36 of 51 for average combined rate.
Are groceries taxed in South Dakota?
South Dakota taxes groceries at the full rate (4.2% state).
How much is sales tax on a $30,000 car in South Dakota?
At the average combined rate of 6.11%, tax on a $30,000 purchase would be about $1,833. Many states tax vehicles differently: some apply only the state rate, cap the tax, or allow a trade-in credit. Check the South Dakota motor vehicle agency for the exact rule.
How do I back out sales tax from a total?
Switch on "I know the total" above, or divide the total by 1 plus the rate. For example, a $108.25 receipt at 8.25% is $100.00 before tax.
Data sources & last verified
Last verified
- Tax Foundation, 2026 Sales Tax Rates, Midyear Update (state and average local rates as of July 1, 2026) (opens in new tab) Retrieved · effective July 1, 2026
We re-check these figures when agencies publish updates and at least quarterly. See our data policy for how corrections are handled, or report an error.