Welcome to the Algonquin Township

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Algonquin Township is the largest township in McHenry County, with a population of 88,389 as of the 2010 Census. The Township includes the communities of Algonquin, Barrington Hills, Cary, Crystal Lake, Fox River Grove, Lake In The Hills, Village of Port Barrington, Lakewood, Oakwood Hills, and Trout Valley.

We are located at 3702 U.S. Highway 14, Crystal Lake, IL, 60014. Business hours are Monday through Friday, 8:00 am. to 4:00pm. The Assessor’s office is open until 5:00 pm.

Monthly Township meetings, which take place at the Township office, are held on the second Wednesday of each month at 7pm.  In addition, the Township conducts an Annual Town Meeting on the second Tuesday in April at 7pm.

The Algonquin Township team takes considerable pride in serving the needs of residents in our vast geographic area.  Please let us know how we can be of service to you.

Recent News

Early Voting For the February 28th, 2017 election

Early voting will take place 2 weeks prior to the election M-F 9-4 Saturday 9-12

AARP-Tax Aide

Free tax preparation will be offered to seniors by appointment only. Call the Supervisors office to Schedule 847-639-2700 x7 starting [...]

AARP Drivers Safety Class Spring and Fall call for Schedule

Upcoming Events

Closed Martin Luther King Jr. Bday

Closed Martin Luther King Jr. Bday

January 16 @ 8:00 am - 5:00 pm

Bridge Club

Bridge Club

January 16 @ 9:30 am - 3:00 pm

Basic Yoga

Basic Yoga

January 16 @ 5:30 pm - 6:30 pm
|Recurring Event (See all)