| Name | Massac County |
| State | Illinois |
| FIPS Code | 17127 |
| County Seat | Metropolis |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 15,370 |
| Population Growth Rate(2000-2022) | -8.17% |
| Majority Ethnicity | White 92.65% |
| Public School Majority Ethnicity | White 81% |
| Partisan Voting Index | Strongly Republican:+23 |
| Unemployment Rate (November 2024) | 4.9% |
| Area Code(s) | 618 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 92.65% |
| African American | 6.93% |
| Hispanic | 0% |
| Asian | 0.42% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 80.76% |
| African American | 6.84% |
| Hispanic | 3.09% |
| Asian | 0.52% |
| Native American | 0.1% |
| Hawaiin/Pacific Islander | 0% |