Grafton Township is located in McHenry County, Illinois.

As of the 2010 census, its population was 53,137 and it contained 17,922 housing units.

[2] Grafton Township includes portions of Huntley, Lake in the Hills, Algonquin, Crystal Lake, and Lakewood.

According to the 2010 census, the township has a total area of 36.13 square miles (93.6 km2), of which 35.79 square miles (92.7 km2) (or 99.06%) is land and 0.34 square miles (0.88 km2) (or 0.94%) is water.

This McHenry County, Illinois location article is a stub.