| Place Name | Joliet |
| Place Type | City |
| ZIP Code(s) | 60431 60432 60433 60435 60436 |
| County | Will County Kendall County |
| Area Code(s) | 815,779 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 147,098 |
| Population Growth Rate (2010-19) | 1.99% |
| Majority Ethnicity | White 53.31% |
| Metro/Micro Stats Area | Chicago-Naperville-Elgin, IL-IN-WI |
| US Congressional District(s) | Illinois 11thIllinois 14thIllinois 3rdIllinois 16th |
| State House Districts | 37,75,86,97,98 |
| State Senate Districts | 19,38,43,49 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 53.31% |
| African American | 14.93% |
| Hispanic | 0.65% |
| Asian | 1.54% |
| Native American | 0.04% |
| Hawaiin/Pacific Islander | 29.54% |