| Place Name | Sister Bay |
| Place Type | Village |
| ZIP Code(s) | 54234 |
| County | Door County |
| Area Code(s) | 274,920 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 674 |
| Population Growth Rate (2010-19) | 31.05% |
| Majority Ethnicity | White 96.65% |
| US Congressional District(s) | Wisconsin 8th |
| State Assembly Districts | 1 |
| State Senate Districts | 1 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.65% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.35% |