Warren County
•
Illinois (IL)
6 ZIP Code
Warren County, IL Sales Tax Rates 2026
2026 sales tax rate guide for Warren County, IL. Average combined tax rate is 7.71% with local jurisdictions ranging up to 8.00%.
Average Combined Rate
7.71%
Estimated Tax Range: 6.25% - 8.00%
⚡ Direct Tax Answer & Key Takeaway
As of 2026, the local county sales tax rate in Warren County (Illinois) is 0.00%. Combined sales tax rates across cities in this county range from 6.25% to 8.00% (averaging 7.71%).
County Tax
0.00%
Average Combined Rate
7.71%
Max Local Rate
8.00%
Indexed Cities
6
Cities & Towns in Warren County
| City | Combined Sales Tax Rate | Action |
|---|---|---|
| Monmouth | 6.25% | View Tax Rates → |
| Roseville | 8.00% | View Tax Rates → |
| Alexis | 8.00% | View Tax Rates → |
| Kirkwood | 8.00% | View Tax Rates → |
| Little York | 8.00% | View Tax Rates → |
| Cameron | 8.00% | 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 Warren County
❓ Frequently Asked Questions
Key questions and answers regarding sales tax rates, exemptions, and compliance.