Tools · Sales Tax
South Dakota Sales Tax Calculator (2026)
Estimate sales tax on a purchase in South Dakota for 2026. Enter a price to see the tax and total at South Dakota’s combined rate of about 6.11%, the 4.20% state base plus the average 1.91% local tax. This is a state + average local estimate, not an address-exact rate.
South Dakota sales tax calculator
- Purchase price
- $100.00
- State base rate (4.20%)
- +$4.20
- Average local rate (1.91%)
- +$1.91
- Sales tax (6.11% combined)
- +$6.11
- Total price
- $106.11
South Dakota charges a 4.2% state sales tax (temporarily reduced from 4.5% through mid-2027 under HB 1137); city taxes add about 1.9% on average. The state rate is scheduled to return to 4.5% on July 1, 2027.
- This is the state base plus the average local rate, not an address-exact rate. Your actual rate depends on your city, county, and special district, and can be higher or lower than the state average.
- Groceries and prescription drugs are exempt or taxed at a lower rate in most states. A blended rate over-taxes those categories. Use it for general merchandise.
- Clothing rules vary sharply. Pennsylvania and New Jersey exempt most clothing; Massachusetts exempts clothing up to $175 per item; New York exempts items under $110. Check your state before assuming apparel is taxed.
State revenue agencies (base rate) · Tax Foundation, population-weighted average local, Jan 1 2026. South Dakota: South Dakota Department of Revenue.
Estimate for 2026, using the state base rate plus the population-weighted average local rate. It is not an address-exact quote and excludes category exemptions and special district taxes. This is general information, not tax advice.
How South Dakota sales tax works
South Dakota charges a 4.2% state sales tax (temporarily reduced from 4.5% through mid-2027 under HB 1137); city taxes add about 1.9% on average. The state rate is scheduled to return to 4.5% on July 1, 2027. This calculator uses the population-weighted average local rate, so your actual rate depends on your city, county, and special district. It can be higher or lower.
Remember that groceries and prescription drugs are exempt or reduced in most states, so a blended rate over-taxes those categories. This is a 2026 estimate for general merchandise, not an address-exact quote and not tax advice. State revenue agencies (base rate) · Tax Foundation, population-weighted average local, Jan 1 2026.
Sales tax calculators for other states
Same 2026 data, each with its own state and local rates.