| Place Name | Spring Grove Township |
| Place Type | Township |
| ZIP Code(s) | 61412 61435 61453 61462 |
| County | Warren County |
| Area Code(s) | 309 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 997 |
| Majority Ethnicity | White 87.52% |
| US Congressional District(s) | Illinois 17th |
| State House Districts | 94 |
| State Senate Districts | 47 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 87.52% |
| African American | 5.84% |
| Hispanic | 0% |
| Asian | 0.4% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 6.24% |