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

AARP Drivers Safety Class September 12th & 13th from 9-1pm

Document Shredding

Document Shredding Event will take place September 10 from 9-noon. 3 boxes per household are allowed. Algonquin Township residents only.

Line Dancing

Line dancing is held the 2nd & 4th Wednesday of every month with instructor Nancy Buhr. $5 a lesson no [...]

Upcoming Events

Early Voting Here

Early Voting Here

October 24 @ 9:00 am - November 7 @ 4:00 pm

C-G Youth LaCrosse

C-G Youth LaCrosse

October 25 @ 7:00 pm - 10:00 pm
|Recurring Event (See all)
An event every 1 month(s) on that lasts 0 day(s) and 3 hour(s), the last of which will begin on October 25, 2016

Striders, Walkers & Talkers

Striders, Walkers & Talkers

October 26 @ 8:00 am - 11:00 am
|Recurring Event (See all)
An event every 1 week(s) on Wednesday that lasts 0 day(s) and 3 hour(s), the last of which will begin on December 28, 2016,
and Weekly on the same day until December 28, 2016