| Place Name | Portage Township |
| Place Type | Township |
| ZIP Code(s) | 49820 49827 49836 |
| County | Mackinac County |
| Area Code(s) | 906 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 880 |
| Majority Ethnicity | White 95.37% |
| US Congressional District(s) | Michigan 1st |
| State House Districts | 107 |
| State Senate Districts | 37 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.37% |
| African American | 1.9% |
| Hispanic | 0.47% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.25% |