Jefferson County
•
Illinois (IL)
9 ZIP Code
Jefferson County, IL Sales Tax Rates 2026
2026 sales tax rate guide for Jefferson County, IL. Average combined tax rate is 7.17% with local jurisdictions ranging up to 9.50%.
Average Combined Rate
7.17%
Estimated Tax Range: 6.75% - 9.50%
⚡ Direct Tax Answer & Key Takeaway
As of 2026, the local county sales tax rate in Jefferson County (Illinois) is 0.00%. Combined sales tax rates across cities in this county range from 6.75% to 9.50% (averaging 7.17%).
County Tax
0.00%
Average Combined Rate
7.17%
Max Local Rate
9.50%
Indexed Cities
9
Cities & Towns in Jefferson County
| City | Combined Sales Tax Rate | Action |
|---|---|---|
| Mount Vernon | 9.50% | View Tax Rates → |
| Ina | 6.75% | View Tax Rates → |
| Woodlawn | 6.75% | View Tax Rates → |
| Dix | 7.75% | View Tax Rates → |
| Bluford | 6.75% | View Tax Rates → |
| Belle Rive | 6.75% | View Tax Rates → |
| Waltonville | 6.75% | View Tax Rates → |
| Opdyke | 6.75% | View Tax Rates → |
| Nason | 6.75% | 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 Jefferson County
❓ Frequently Asked Questions
Key questions and answers regarding sales tax rates, exemptions, and compliance.