| Name | Madison County |
| State | Illinois |
| FIPS Code | 17119 |
| County Seat | Edwardsville |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 268,586 |
| Population Growth Rate(2000-2022) | -1.27% |
| Majority Ethnicity | White 89.76% |
| Public School Majority Ethnicity | White 69% |
| Partisan Voting Index | Republican:+5 |
| Unemployment Rate (January 2025) | 3.8% |
| Area Code(s) | 618 / 217 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 89.76% |
| African American | 9.04% |
| Hispanic | 0.15% |
| Asian | 1.01% |
| Native American | 0.01% |
| Hawaiin/Pacific Islander | 0.01% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 69.16% |
| African American | 14.23% |
| Hispanic | 8.82% |
| Asian | 0.97% |
| Native American | 0.21% |
| Hawaiin/Pacific Islander | 0.07% |