On this page you will see the information for zip codes list which Illinois - US cover, as well as demographic information of Illinois state * Demographic data is not updated it is based on 2010 Census, to see the detailed information of related code press click on ZIP Code.
Illinois - US State Information | |
State Code | IL |
Timezone | Central (GMT -06:00) |
Male Population | 6292276 |
Female Population | 6538356 |
Population | 12830632 |
Counties | 102 |
Land Area | 55,519 square miles |