| Name | Macoupin County |
| State | Illinois |
| FIPS Code | 17117 |
| County Seat | Carlinville |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 44,127 |
| Population Growth Rate(2020-2024) | -2.07% |
| Majority Ethnicity | White 96.96% |
| Public School Majority Ethnicity | White 94% |
| Partisan Voting Index | Republican:+20 |
| Unemployment Rate (May 2026) | 5.5% |
| Area Code(s) | 217 / 618 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 96.96% |
| African American | 1.23% |
| Hispanic | 1.35% |
| Asian | 0.37% |
| Native American | 0.08% |
| Hawaiin/Pacific Islander | 0.01% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 93.94% |
| African American | 0.78% |
| Hispanic | 1.79% |
| Asian | 0.29% |
| Native American | 0.21% |
| Hawaiin/Pacific Islander | 0.04% |