| Name | Mcdonough County |
| State | Illinois |
| FIPS Code | 17109 |
| County Seat | Macomb |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 26,952 |
| Population Growth Rate(2020-2024) | -1.11% |
| Majority Ethnicity | White 88.51% |
| Public School Majority Ethnicity | White 79% |
| Partisan Voting Index | Republican:+10 |
| Unemployment Rate (May 2026) | 5.4% |
| Sales Tax Rate (2025) | 9% |
| Area Code(s) | 309 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 88.51% |
| African American | 5.92% |
| Hispanic | 3.51% |
| Asian | 2.01% |
| Native American | 0.03% |
| Hawaiin/Pacific Islander | 0.03% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 78.64% |
| African American | 9.3% |
| Hispanic | 3.54% |
| Asian | 1.51% |
| Native American | 0.33% |
| Hawaiin/Pacific Islander | 0.03% |