| Place Name | Potomac |
| Place Type | Village |
| ZIP Code(s) | 61865 |
| County | Vermilion County |
| Area Code(s) | 217 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 900 |
| Population Growth Rate (2010-19) | -8.13% |
| Majority Ethnicity | White 84.38% |
| Metro/Micro Stats Area | Danville, IL |
| US Congressional District(s) | Illinois 15th |
| State House Districts | 106 |
| State Senate Districts | 53 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 84.38% |
| African American | 4.43% |
| Hispanic | 0% |
| Asian | 6.9% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.3% |