Do I have to charge sales tax for online sales in South Dakota?
Quick answer
Only after you cross economic nexus. Once you exceed $100,000 in sales into South Dakota over 12 months, you must register with the South Dakota Department of Revenue and charge the buyer's destination rate.
South Dakota, the state behind the Wayfair decision, repealed its 200-transaction test in 2023.
Rule summary
How South Dakota treats each category.
| Economic nexus — sales threshold | $100,000 |
|---|---|
| Transaction-count threshold | None — sales volume only |
| Marketplace facilitator collection | Required — Amazon, Etsy and eBay collect on your behalf for their sales |
| Rate to charge | The buyer's destination rate (6.2% in covered South Dakota metros) |
| Registration authority | South Dakota Department of Revenue |
This page summarizes the general rule. Every state writes exceptions for specific products, and local jurisdictions can differ from the state treatment. Confirm your situation with the South Dakota Department of Revenue or a tax professional before relying on it for filing.
Combined rates in South Dakota
What a taxable purchase actually costs in South Dakota.
Frequently asked
Answers pulled from the same rule set.
- Do I have to charge sales tax for online sales in South Dakota?
- Only after you cross economic nexus. Once you exceed $100,000 in sales into South Dakota over 12 months, you must register with the South Dakota Department of Revenue and charge the buyer's destination rate.
- Do marketplace sales count toward the South Dakota threshold?
- Marketplaces collect and remit for their own sales, but most states still count those sales when measuring your $100,000 threshold. Check the South Dakota Department of Revenue guidance before excluding them.
- Which rate does an online seller charge in South Dakota?
- South Dakota sources remote sales to the delivery address, so you charge the buyer's combined state, county, city and district rate, not your own location's rate.
More South Dakota guides
Other South Dakota rules that change the total.