Grundy County
•
Illinois (IL)
7 ZIP Code
Grundy County, IL Sales Tax Rates 2026
2026 sales tax rate guide for Grundy County, IL. Average combined tax rate is 6.39% with local jurisdictions ranging up to 7.25%.
Average Combined Rate
6.39%
Estimated Tax Range: 6.25% - 7.25%
⚡ Direct Tax Answer & Key Takeaway
As of 2026, the local county sales tax rate in Grundy County (Illinois) is 0.00%. Combined sales tax rates across cities in this county range from 6.25% to 7.25% (averaging 6.39%).
County Tax
0.00%
Average Combined Rate
6.39%
Max Local Rate
7.25%
Indexed Cities
7
Cities & Towns in Grundy County
| City | Combined Sales Tax Rate | Action |
|---|---|---|
| Minooka | 7.25% | View Tax Rates → |
| Gardner | 6.25% | View Tax Rates → |
| Mazon | 6.25% | View Tax Rates → |
| Carbon Hill | 6.25% | View Tax Rates → |
| Verona | 6.25% | View Tax Rates → |
| Kinsman | 6.25% | View Tax Rates → |
| East Brooklyn | 6.25% | View Tax Rates → |
📋 State Tax Rules & Compliance Guide
Sourcing Rule:
Origin-based for in-state retailers, Destination for out-of-state
Groceries & Food:
Reduced 1% rate
Clothing & Apparel:
Taxable
SaaS & Digital Goods:
Non-Taxable (Chicago imposes separate 9% Personal Property Lease Tax)
Economic Nexus Threshold:
$100,000 or 200 transactions
Official Tax Authority:
Illinois Department of Revenue ↗
Interactive Sales Tax Calculator
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ZIP Codes in Grundy County
❓ Frequently Asked Questions
Key questions and answers regarding sales tax rates, exemptions, and compliance.