What is the sales tax rate in Mercer County, IL?

The average sales tax rate in Mercer County (IL) is 7.17%, with jurisdictions ranging between 6.25% and 7.25%.

Mercer County • Illinois (IL)

12 Postcode (ZIP)

Mercer County, IL Sales Tax Rates 2026

2026 sales tax rate guide for Mercer County, IL. Average combined tax rate is 7.17% with local jurisdictions ranging up to 7.25%.

Gemiddeld Gecombineerd Tarief

7.17%

Geschatte Belastingmarge: 6.25% - 7.25%

⚡ Direct Tax Answer & Key Takeaway

As of 2026, the local county sales tax rate in Mercer County (Illinois) is 1.00%. Combined sales tax rates across cities in this county range from 6.25% to 7.25% (averaging 7.17%).

Countybelasting

1.00%

Gemiddeld Gecombineerd Tarief

7.17%

Maximaal Lokaal Tarief

7.25%

Geregistreerde Steden

Cities & Towns in Mercer County

Stad	Gecombineerd Belastingtarief	Action
Viola	6.25%	Bekijk Tarieven →
Matherville	7.25%	Bekijk Tarieven →
Keithsburg	7.25%	Bekijk Tarieven →
Seaton	7.25%	Bekijk Tarieven →
North Henderson	7.25%	Bekijk Tarieven →
Preemption	7.25%	Bekijk Tarieven →
Cable	7.25%	Bekijk Tarieven →
Millersburg	7.25%	Bekijk Tarieven →
Eliza	7.25%	Bekijk Tarieven →
Hamlet	7.25%	Bekijk Tarieven →

📋 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 ↗

Interactieve Sales Tax Calculator

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Postcode (ZIP)

Staatsbelasting:

Gecombineerd Belastingtarief:

Staatsbelasting ()

Countybelasting ()

Gemeentebelasting ()

Speciaal District ()

Totale Aankoopprijs

ZIP Codes in Mercer County

61231 7.25% 61260 7.25% 61263 7.25% 61264 7.25% 61272 7.25% 61276 7.25% 61279 7.25% 61281 7.25% 61442 7.25% 61466 7.25% 61476 7.25% 61486 6.25%

❓ Frequently Asked Questions

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

The county tax rate for Mercer County is 1.00%. When combined with Illinois state taxes and local municipal/district taxes, the overall sales tax rate varies between 6.25% and 7.25%.

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).