South Dakota Sales Tax Calculator 2026
South Dakota's state sales tax rate is 4.5% in 2026 (some sources cite 4.2% base). Cities may add local sales tax (e.g., Sioux Falls 2%, combined ~6.2%). Use the calculator above for instant estimates or our city pages for exact combined rates—free, no signup.
South Dakota Sales Tax Structure (2026)
South Dakota has a 4.5% state sales tax (base rate; some jurisdictions use 4.2%). Cities may impose additional local sales tax (e.g., Sioux Falls 2%), so combined rates vary.
- State rate: 4.5% (or 4.2% in some areas)
- City add-ons: Sioux Falls 2%; other cities vary
- Typical combined rate: 4.5% to ~6.5% (Sioux Falls ~6.2%)
Sales Tax Rates for Major South Dakota Areas
Use city pages for the most accurate combined rate.
| Area | Example combined rate | Calculator |
|---|---|---|
| Sioux Falls | ~6.2% | Sioux Falls Sales Tax Calculator |
| Rapid City | ~6.5% | — |
How to Find Your Exact South Dakota Sales Tax Rate
Combined rates vary by city. Use the calculator above with your known local rate, or look up your rate on the South Dakota Department of Revenue (Sales Tax). For Sioux Falls: Sioux Falls Sales Tax Calculator, or browse South Dakota tax calculators.
Frequently Asked Questions
Q:What is the South Dakota state sales tax rate in 2026?
South Dakota has a 4.5% state sales tax (base). Cities may add local tax (e.g., Sioux Falls 2%); combined rates typically 4.5% to ~6.5%.
Q:Is South Dakota sales tax the same in every city?
No. The state rate is 4.5% (or 4.2% in some areas); cities may impose additional local sales tax (Sioux Falls ~6.2% combined).
Q:Are groceries taxed in South Dakota?
Groceries (food for home consumption) and prescription drugs are exempt from South Dakota sales tax.
Q:What is the sales tax rate in Sioux Falls, South Dakota?
Sioux Falls' combined sales tax rate in 2026 is approximately 6.2%: state rate plus 2% Sioux Falls city tax.