Washington County
•
Iowa (IA)
8 ZIP Code
Streamlined Sales Tax (SST) Member
Washington County, IA Sales Tax Rates 2026
2026 sales tax rate guide for Washington County, IA. Average combined tax rate is 7.00% with local jurisdictions ranging up to 7.00%.
Average Combined Rate
7.00%
⚡ Direct Tax Answer & Key Takeaway
As of 2026, the local county sales tax rate in Washington County (Iowa) is 0.00%. Combined sales tax rates across cities in this county range from 7.00% to 7.00% (averaging 7.00%).
County Tax
0.00%
Average Combined Rate
7.00%
Max Local Rate
7.00%
Indexed Cities
8
Cities & Towns in Washington County
| City | Combined Sales Tax Rate | Action |
|---|---|---|
| Washington | 7.00% | View Tax Rates → |
| Kalona | 7.00% | View Tax Rates → |
| Wellman | 7.00% | View Tax Rates → |
| Riverside | 7.00% | View Tax Rates → |
| Ainsworth | 7.00% | View Tax Rates → |
| Brighton | 7.00% | View Tax Rates → |
| Crawfordsville | 7.00% | View Tax Rates → |
| West Chester | 7.00% | View Tax Rates → |
📋 State Tax Rules & Compliance Guide
Sourcing Rule:
Destination-based
Groceries & Food:
Exempt (0% Tax)
Clothing & Apparel:
Taxable at standard rate
SaaS & Digital Goods:
Non-Taxable
Economic Nexus Threshold:
$100,000 in sales or 200 separate transactions
Official Tax Authority:
Iowa Department of Revenue ↗
Interactive Sales Tax Calculator
Calculate exact sales tax and total purchase price instantly.
Address-Specific Rates
SST Member
Standard State
Rates current for 2026
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$
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State Tax:
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County Tax ()
City Tax ()
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Total Purchase Price
ZIP Codes in Washington County
❓ Frequently Asked Questions
Key questions and answers regarding sales tax rates, exemptions, and compliance.