Joliet Township is located in Will County, Illinois. As of the 2010 census, its population was 87,398 and it contained 32,617 housing units.

Geography

According to the 2010 census, the township has a total area of 36.09 square miles (93.5 km), of which 35.25 square miles (91.3 km) (or 97.67%) is land and 0.84 square miles (2.2 km) (or 2.33%) is water.

The segment containing Chicagoland Speedway was ceded to Jackson Township at an unknown date after 1999 for unknown reasons.

Cities, Towns, Villages

• Crest Hill (small portion)
• Elwood (small portion)
• Joliet (mostly)
• New Lenox (small portion)
• Rockdale

Other Communities

• Ingalls Park
• Preston Heights
• Ridgewood

Demographics

Historical population

Census	Pop.	Note	%±
2016 (est.)	87,424
U.S. Decennial Census