Brookings County, South DakotaSales Tax Rate 2025

Brookings County, located at the Eastern Border of South Dakota, has sales tax rates ranging from 4.20% to 6.20%.

The sales tax rate in Brookings includes the South Dakota state tax and the city’s specific combined local sales tax rates. The table below provides a breakdown of the sales tax rate by jurisdiction.

South Dakota	4.20%
Brookings County	0.00%
City + District Rates Range	0.00% – 2.00%
Combined Sales Tax Rates Range	4.20% – 6.20%

Brookings County Sales Tax Calculator

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The TaxHero sales tax calculator provides a combined sales tax rate based on a full address lookup. A complete address ensures precision since ZIP codes may cross different tax jurisdictions. Results are for reference and may need additional context for compliance. Contact us today for a demo and learn how TaxHero can support your business.

Who Needs to Collect Sales Tax in Brookings County, South Dakota?+

Businesses are required to collect sales tax in Brookings if they have a sales tax nexus in South Dakota and sell to residents of Brookings, whether at a physical location within the county or online.

Physical Nexus: This occurs when a business has a tangible presence in the state. Examples include having a store, warehouse, office, or employees in South Dakota if your business operates any of these within the state, you have a physical nexus and must collect sales tax from customers in Brookings.

Economic Nexus: This is based on the volume of sales or number of transactions a business conducts in the state. For instance, if your business exceeds a certain threshold of sales or transactions in South Dakota which is often defined as a specific dollar amount or number of transactions, you establish economic nexus. This means even if you don’t have a physical presence in the state, you are still required to collect sales tax from customers in Brookings.