| Place Name | Algonac |
| Place Type | City |
| ZIP Code(s) | 48001 |
| County | Saint Clair County |
| Area Code(s) | 810 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 4,127 |
| Population Growth Rate (2010-19) | 2.09% |
| Majority Ethnicity | White 96.41% |
| Metro/Micro Stats Area | Detroit-Warren-Dearborn, MI |
| US Congressional District(s) | Michigan 10th |
| State House Districts | 81 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.41% |
| African American | 0.98% |
| Hispanic | 0.1% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.51% |