| Place Name | Summit Township |
| Place Type | Township |
| ZIP Code(s) | 62401 62411 62461 62473 |
| County | Effingham County |
| Area Code(s) | 217,618 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 3,750 |
| Majority Ethnicity | White 99.19% |
| Metro/Micro Stats Area | Effingham, IL |
| US Congressional District(s) | Illinois 15th |
| State House Districts | 107 |
| State Senate Districts | 54 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.19% |
| African American | 0% |
| Hispanic | 0.56% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.24% |