| Place Name | Savanna Township |
| Place Type | Township |
| ZIP Code(s) | 61074 61285 |
| County | Carroll County |
| Area Code(s) | 815,779 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 3,598 |
| Majority Ethnicity | White 89.55% |
| US Congressional District(s) | Illinois 17th |
| State House Districts | 71 |
| State Senate Districts | 36 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 89.55% |
| African American | 0.67% |
| Hispanic | 0.55% |
| Asian | 1.13% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.1% |