| Place Name | Au Sable |
| Place Type | Census Designated Place |
| ZIP Code(s) | 48750 |
| County | Iosco County |
| Area Code(s) | 989 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 1,364 |
| Population Growth Rate (2010-19) | 3.49% |
| Majority Ethnicity | White 95.77% |
| US Congressional District(s) | Michigan 5th |
| State House Districts | 106 |
| State Senate Districts | 36 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.77% |
| African American | 0.93% |
| Hispanic | 0% |
| Asian | 0.87% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.43% |