| Place Name | Erwin Township |
| Place Type | Township |
| ZIP Code(s) | 49938 49968 54534 |
| County | Gogebic County |
| Area Code(s) | 906 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 342 |
| Majority Ethnicity | White 96.99% |
| US Congressional District(s) | Michigan 1st |
| State House Districts | 110 |
| State Senate Districts | 38 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.99% |
| African American | 0% |
| Hispanic | 0.6% |
| Asian | 0.9% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.51% |