Businesses operating in Brookings County, South Dakota face a combined sales tax rate of 6.5% in 2026. The 2% local rate is added to the 4.5% state base. Home to 35,077 residents, the county offers substantial commercial opportunities.
For a $500 purchase in Brookings County, the sales tax would be $32.50, bringing the total to $532.50.
Business Compliance in Brookings County
Businesses must register with the South Dakota Department of Revenue to collect and remit sales tax. Filing frequency depends on sales volume. With a population of 35,077, Brookings County offers significant market potential for businesses of all sizes.