What is the sales tax rate in Auburn, Indiana?

The combined sales tax rate in Auburn, Indiana is 7.000% as of 2026. This includes the Indiana state rate of 7.000% plus local jurisdiction taxes.

How is the Auburn sales tax calculated?

Multiply your purchase amount by 7.000% (or 0.00700) to get the tax owed. For example, a $100 purchase incurs $7.00 in sales tax.

What is the Indiana state sales tax rate?

The base Indiana state sales tax rate is 7.000%. Local jurisdictions may add additional taxes on top of this rate.

Does Auburn have a county sales tax?

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

When was the Auburn sales tax rate last updated?

The Auburn 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

Auburn, IN Sales Tax Rate 2026

The combined sales tax rate in Auburn, Indiana is 7.000%.

Combined Rate 7.000%

State7.000%

Auburn Sales Tax Breakdown

Jurisdiction	Rate
Indiana State Sales Tax	7.000%
Total Combined Rate	7.000%

Which County Is Auburn In?

Auburn falls within DeKalb, Indiana. DeKalb imposes a 0.000% county-level sales tax in addition to the Indiana state base rate.

Auburn ZIP Codes

The following ZIP codes are mapped to Auburn for sales tax purposes. All listed codes apply the 7.000% combined rate.

46706

Nearby Tax Rates

Garrett 3.6 mi

7.000%

Combined Rate

View Local Rates

Business Nexus in Indiana

Economic Nexus Threshold

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

FAQ: Auburn Sales Tax

The combined sales tax rate in Auburn, Indiana is 7.000% as of 2026.

Multiply your purchase price by 7.000% to find the tax owed. A $500 purchase would include $35.00 in sales tax.

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

Vehicle purchases in Auburn are subject to the 7.000% combined rate, though some states apply different rules for vehicle sales. Verify with the Indiana Department of Revenue or DMV.

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

Sales Tax Calculator

Using 7.000% rate for Auburn, IN

Purchase Amount ($)

Tax Amount $0.00

Total with Tax $100.00

Rate applied: 7.000% combined

Official Tax Authority

Indiana Department of Revenue

Filing Deadline: Monthly returns due the 30th of the following month. File via INTIME portal.

Visit Official Portal (317) 232-2240