| Place Name | Mattoon |
| Place Type | City |
| ZIP Code(s) | 61938 |
| County | Coles County |
| Area Code(s) | 217 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 18,162 |
| Population Growth Rate (2010-19) | -9.08% |
| Majority Ethnicity | White 94.49% |
| Metro/Micro Stats Area | Charleston-Mattoon, IL |
| US Congressional District(s) | Illinois 15th |
| State House Districts | 110 |
| State Senate Districts | 55 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.49% |
| African American | 2.33% |
| Hispanic | 0.01% |
| Asian | 0.45% |
| Native American | 0.02% |
| Hawaiin/Pacific Islander | 2.71% |