| Place Name | Wamac |
| Place Type | City |
| ZIP Code(s) | 62801 |
| County | Marion County |
| Area Code(s) | 618 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 1,455 |
| Population Growth Rate (2010-19) | -16.88% |
| Majority Ethnicity | White 96.49% |
| Metro/Micro Stats Area | Centralia, ILSt. Louis, MO-IL |
| US Congressional District(s) | Illinois 15th |
| State House Districts | 107 |
| State Senate Districts | 54 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.49% |
| African American | 0.28% |
| Hispanic | 0.28% |
| Asian | 0.09% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.87% |