Dubuque, Iowa Sales Tax Rate 2025

Dubuque is located in Dubuque County, Iowa. The sales tax rate is 7.00%.

The total sales tax rate in the city comprises the Iowa state tax and the sales tax for Dubuque County. The city does not impose an additional sales tax. The table below provides a breakdown of the sales tax rate by jurisdiction.

Combined Sales Tax Rate	7.00%
Iowa	6.00%
Dubuque County	1.00%
Dubuque	0.00%
District / Special Tax	0.00%

Dubuque Sales Tax Calculator

Item Cost (USD)

Street Address

City

ZIP Code (required)

State

Your Combined Sales Tax Rate is

0.00%

Sales tax amount = N/A

State 0.00%

County 0.00%

City 0.00%

District(s) 0.00%

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.

Dubuque District and Special Tax Rates+

Iowa districts do not levy additional taxes. This means that sales made anywhere within the state are generally subject only to the statewide sales tax rate, without any added local district taxes.

To help you identify the correct sales tax rate in Dubuque or any Iowa city, you may look up the sales tax rate by address and ZIP code in our calculator. This tool provides a quick and reliable way to ensure you are applying the accurate rate for each transaction, helping you stay compliant with Iowa’s sales tax requirements.