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Live Data: April 2026

Oskaloosa, IA Sales Tax Rate 2026

The combined sales tax rate in Oskaloosa, Iowa is 7.000%.

Combined Rate 7.000%
State6.000% County1.000%

Oskaloosa Sales Tax Breakdown

Jurisdiction Rate
Iowa State Sales Tax 6.000%
County Sales Tax 1.000%
Total Combined Rate 7.000%

Which County Is Oskaloosa In?

Oskaloosa falls within Mahaska, Iowa. Mahaska imposes a 1.000% county-level sales tax in addition to the Iowa state base rate.

Oskaloosa ZIP Codes

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

52577

Business Nexus in Iowa

Economic Nexus Threshold

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

FAQ: Oskaloosa Sales Tax

The combined sales tax rate in Oskaloosa, Iowa 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 Iowa. Check the official Department of Revenue for specific exemptions.
Vehicle purchases in Oskaloosa are subject to the 7.000% combined rate, though some states apply different rules for vehicle sales. Verify with the Iowa Department of Revenue or DMV.
Register for a sales tax permit through the official Iowa Department of Revenue website. Registration is typically free and required before collecting any sales tax.

Sales Tax Calculator

Using 7.000% rate for Oskaloosa, IA

$
Tax Amount $0.00
Total with Tax $100.00

Rate applied: 7.000% combined

Official Tax Authority

Iowa Department of Revenue

Filing Deadline: Monthly returns due the last day of the following month. File via GovConnectIowa.