Brown County in South Dakota has a combined sales tax rate of 6.5% as of 2026. This includes the state rate of 4.5% plus a local county rate of 2%. With a population of 39,000, Brown County represents a significant market for businesses.
For a $500 purchase in Brown County, the sales tax would be $32.50, bringing the total to $532.50.
Business Compliance in Brown 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 39,000, Brown County offers significant market potential for businesses of all sizes.