Sunday, November 15, 2026
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Tax Rate Center The Complete US Sales Tax & Calculator Directory

Algonquin, IL Sales Tax Rate

Sales tax rates in Algonquin, Illinois range from 8.25% to 8.5% depending on the exact location (county, ZIP code or special district). See each rate and calculate the tax on any purchase. Rates effective August 2026.

State tax
6.25%
County tax (McHenry)
0.25%
City tax (Algonquin)
1%
Special district tax
1%
Combined rate
8.5%

Source: Illinois Department of Revenue, sales tax rate files incl. address addendum (effective Aug 1, 2026). Effective August 2026.

Other cities in McHenry County

All Illinois rates
Barrington Hills7.5% Bull Valley8.5% Cary8.5% Crystal Lake8.75% Fox Lake8% Fox River Grove8.5%+ Greenwood7.5% Hampshire8.5% Harvard8.5% Hebron7.5% Holiday Hills7.5% Huntley8.5% Island Lake7.5% Johnsburg8.5% Lake In The Hills8.5% Lakemoor8.5% Marengo8.5% McCullom Lake8.5% McHenry8.25% Oakwood Hills7.5% Port Barrington7.5% Prairie Grove7.5% Richmond8.5% Ringwood7.5% Spring Grove8.5% Trout Valley7.5% Union7.5% Village Of Lakewood8.5% Wonder Lake8.5% Woodstock8.75%