Nampa, Idaho Sales Tax Calculator (2026)
6.00% total combined rate — includes state and local taxes.
Nampa businesses collect Idaho’s flat 6% statewide rate with no local modifications.
Nampa Sales Tax Calculator
Enter a purchase amount — we’ll calculate the total with Nampa’s tax rate.
Rate
6.00%
Tax
–
Total
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The current combined rate for Nampa is 6.00%.
Nampa Sales Tax Breakdown
- State Rate: 6.00%
- City Rate: 0.00%
- County Rate: 0.00%
- Special Rate: 0.00%
- Total: 6.00%
About Nampa
Nampa’s consistent tax structure makes it easy for retailers and consumers to calculate costs accurately.