St. Clair County Illinois (IL)
33 Code Postal (ZIP)

St. Clair County, IL Sales Tax Rates 2026

2026 sales tax rate guide for St. Clair County, IL. Average combined tax rate is 7.13% with local jurisdictions ranging up to 8.35%.

Taux Moyen Combiné
7.13%
Fourchette de Taxe Estimée: 6.25% - 8.35%
⚡ Direct Tax Answer & Key Takeaway
As of 2026, the local county sales tax rate in St. Clair County (Illinois) is 0.00%. Combined sales tax rates across cities in this county range from 6.25% to 8.35% (averaging 7.13%).
Taxe de Comté
0.00%
Taux Moyen Combiné
7.13%
Taux Local Maximum
8.35%
Villes Répertoriées
26
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📋 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 ↗

Calculateur Interactif de Sales Tax

Calculez instantanément la taxe sur les ventes exacte et le prix d'achat total.

Taux Spécifiques à l'Adresse Taux à jour pour 2026
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Taxe d'État:
Taux de Taxe Combiné:
Taxe d'État ()
Taxe de Comté ()
Taxe Municipale ()
District Spécial ()
Prix d'Achat Total

ZIP Codes in St. Clair County

❓ Frequently Asked Questions

Key questions and answers regarding sales tax rates, exemptions, and compliance.

The county tax rate for St. Clair County is 0.00%. When combined with Illinois state taxes and local municipal/district taxes, the overall sales tax rate varies between 6.25% and 8.35%.
In Illinois, grocery items are currently Reduced 1% rate. SaaS and digital automated goods are Non-Taxable (Chicago imposes separate 9% Personal Property Lease Tax).