| Name | Will County |
| State | Illinois |
| FIPS Code | 17197 |
| County Seat | Joliet |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 703,383 |
| Population Growth Rate(2020-2024) | 0.86% |
| Majority Ethnicity | White 63.33% |
| Public School Majority Ethnicity | White 47% |
| Partisan Voting Index | Democratic:+2 |
| Unemployment Rate (May 2026) | 5.5% |
| Sales Tax Rate (2025) | 8% |
| Area Code(s) | 815 / 779 / 464 / 708 / 331 / 630 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 63.33% |
| African American | 11.48% |
| Hispanic | 18.8% |
| Asian | 5.95% |
| Native American | 0.43% |
| Hawaiin/Pacific Islander | 0.01% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 46.54% |
| African American | 13.21% |
| Hispanic | 27.8% |
| Asian | 8.08% |
| Native American | 0.18% |
| Hawaiin/Pacific Islander | 0.06% |