Joliet, Illinois, is an important city located southwest of Chicago, and like many cities, it’s divided into multiple zip codes.
Zip codes are more than just a number for mail delivery. They’re how the post office organizes routes, how businesses target specific locations, and how demographers track population data. Knowing the zip code for a specific location gives you valuable insight.
This article provides an overview of Joliet zip codes, including a list of all Joliet zip codes, the geographic areas they cover, and some basic demographic information related to each. We’ll give you the details you need to understand Joliet’s layout and its population distribution.