| Place Name | Sullivan |
| Place Type | City |
| ZIP Code(s) | 61951 |
| County | Moultrie County |
| Area Code(s) | 217 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 4,462 |
| Population Growth Rate (2010-19) | -0.61% |
| Majority Ethnicity | White 96.23% |
| US Congressional District(s) | Illinois 15th |
| State House Districts | 102 |
| State Senate Districts | 51 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.23% |
| African American | 2% |
| Hispanic | 0% |
| Asian | 0.33% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.44% |