What is the sales tax rate in Rapid City, South Dakota?

The combined sales tax rate in Rapid City, South Dakota is 6.200% as of 2026. This includes the South Dakota state rate of 4.200% plus local jurisdiction taxes.

How is the Rapid City sales tax calculated?

Multiply your purchase amount by 6.200% (or 0.00620) to get the tax owed. For example, a $100 purchase incurs $6.20 in sales tax.

What is the South Dakota state sales tax rate?

The base South Dakota state sales tax rate is 4.200%. Local jurisdictions may add additional taxes on top of this rate.

Does Rapid City have a county sales tax?

Rapid City does not levy an additional county-level sales tax beyond the state base rate.

When was the Rapid City sales tax rate last updated?

The Rapid City sales tax rate was last verified on March 27, 2026. We cross-reference all rates against the official State Department of Revenue data.

Live Data: April 2026

Rapid City, SD Sales Tax Rate 2026

The combined sales tax rate in Rapid City, South Dakota is 6.200%.

Combined Rate 6.200%

State4.200% City2.000%

Rapid City Sales Tax Breakdown

Jurisdiction	Rate
South Dakota State Sales Tax	4.200%
City / Municipal Tax	2.000%
Total Combined Rate	6.200%

Which County Is Rapid City In?

Rapid City falls within Pennington, South Dakota. Pennington imposes a 0.000% county-level sales tax in addition to the South Dakota state base rate.

Rapid City ZIP Codes

The following ZIP codes are mapped to Rapid City for sales tax purposes. All listed codes apply the 6.200% combined rate.

57701 57702 57703

Nearby Tax Rates

Business Nexus in South Dakota

Economic Nexus Threshold

Selling into South Dakota from out of state? Once you exceed $100,000 in annual sales or 200 transactions, you must register and collect South Dakota sales tax.

FAQ: Rapid City Sales Tax

The combined sales tax rate in Rapid City, South Dakota is 6.200% as of 2026.

Multiply your purchase price by 6.200% to find the tax owed. A $500 purchase would include $31.00 in sales tax.

Groceries are generally taxable in South Dakota. Check the official Department of Revenue for specific exemptions.

Vehicle purchases in Rapid City are subject to the 6.200% combined rate, though some states apply different rules for vehicle sales. Verify with the South Dakota Department of Revenue or DMV.

Register for a sales tax permit through the official South Dakota Department of Revenue website. Registration is typically free and required before collecting any sales tax.

Sales Tax Calculator

Using 6.200% rate for Rapid City, SD

Purchase Amount ($)

Tax Amount $0.00

Total with Tax $100.00

Rate applied: 6.200% combined

Official Tax Authority

South Dakota Department of Revenue

Filing Deadline: Monthly returns due the last day of the following month. File via EPath online system.

Visit Official Portal (605) 773-3311