Joliet is located at 41°31′14″N 88°09′02″W / 41.52056°N 88.15056°W / 41.52056; -88.15056 (41.5204200, -88.1505261).
According to the 2010 census, Joliet has a total area of 62.768 square miles (162.57 km2), of which 62.11 square miles (160.86 km2) (or 98.95%) is land and 0.658 square miles (1.70 km2) (or 1.05%) is water. It has a sprawling, irregular shape that extends into nine different townships, more than any other Illinois city. They are: Joliet, Plainfield, Troy, New Lenox, Jackson, Channahon, and Lockport in Will County, and Na-Au-Say and Seward in Kendall County. Joliet is a Des Pl...
Source: Wikipedia (as of 04/11/2019). Read more from Wikipedia