Buffalo County, South Dakota sales tax rate: 4.2%
The county-wide general sales tax rate in Buffalo County, South Dakota is 4.2%, of which 4.2% is the South Dakota state rate. The same rate applies across the county.
Breakdown, 4.2%
| Level | Jurisdiction | Rate |
|---|---|---|
| State | South Dakota, collected under a tribal tax agreement | 4.2% |
| County | Buffalo County | 0.0% |
| City | Largest city in county | 0.0% |
| Tribal | Tribal or pueblo levy, filed without a county or city split | 0.0% |
Tribal land: the source files the rate as one levy; the state's share is shown on the state row.
Neighboring counties
- Brule County, SD 6.2%
- Hand County, SD 4.2%
- Hyde County, SD 4.2%
- Jerauld County, SD 6.2%
- Lyman County, SD 4.2%
Other counties in South Dakota
- Aurora County 6.2%
- Beadle County 4.2%
- Bennett County 8.4%
- Bon Homme County 6.2%
- Brookings County 4.2%
- Brown County 4.2%
- Brule County 6.2%
- Butte County 4.2%
- Campbell County 6.2%
- Charles Mix County 4.2%
- Clark County 4.2%
- Clay County 4.2%
- Codington County 5.2%
- Corson County 4.2%
- Custer County 4.2%
- Davison County 6.2%
- Day County 6.2%
- Deuel County 6.2%
- Dewey County 4.2%
- Douglas County 4.2%
- Edmunds County 6.2%
- Fall River County 4.2%
- Faulk County 4.2%
- Grant County 4.2%
- Gregory County 4.2%
- Haakon County 4.2%
- Hamlin County 5.2%
- Hand County 4.2%
- Hanson County 4.2%
- Harding County 4.2%
- Hughes County 5.2%
- Hutchinson County 4.2%
- Hyde County 4.2%
- Jackson County 4.2%
- Jerauld County 6.2%
- Jones County 4.2%
- Kingsbury County 4.2%
- Lake County 4.2%
- Lawrence County 4.2%
- Lincoln County 6.2%
- Lyman County 4.2%
- Marshall County 4.2%
- McCook County 6.2%
- McPherson County 4.2%
- Meade County 4.2%
- Mellette County 6.2%
- Miner County 4.2%
- Minnehaha County 4.2%
- Moody County 4.2%
- Oglala Lakota County 4.2%
- Pennington County 4.2%
- Perkins County 4.2%
- Potter County 4.2%
- Roberts County 4.2%
- Sanborn County 6.2%
- Spink County 4.2%
- Stanley County 4.2%
- Sully County 4.2%
- Todd County 4.2%
- Tripp County 4.2%
- Turner County 6.2%
- Union County 4.2%
- Walworth County 6.2%
- Yankton County 4.2%
- Ziebach County 4.2%
Rates as of Jan 2026. Source: EvvyTools US Sales Tax Rates by ZIP Code (2026). General rate on tangible goods; not tax advice. Verify with your state Department of Revenue before filing or pricing.