Algonquin Township is located in McHenry County, Illinois, with the township office in the city of Crystal Lake. As of the 2020 census, its population was 87,633 and it contained 33,960 housing units. It is the largest township by population in McHenry County.
Geography According to the 2010 census, the township has a total area of , of which (or 96.65%) is land and (or 3.35%) is water.
Cities, towns, villages Algonquin (mostly) Barrington Hills (small portion) Cary Crystal Lake (mostly) Fox River Grove (mostly) Lake in the Hills (half) Lakewood (small portion) Oakwood Hills (small portion) Port Barrington (western third) Trout Valley
Demographics
References
External links
City-data.com Illinois State Archives