| Place Name | South Branch Township (Crawford County) |
| Place Type | Township |
| ZIP Code(s) | 48636 48653 49738 |
| County | Crawford County |
| Area Code(s) | 989 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 1,953 |
| Majority Ethnicity | White 96.82% |
| US Congressional District(s) | Michigan 1st |
| State House Districts | 103 |
| State Senate Districts | 35 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.82% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.18% |