| Place Name | Lake Township (Aurora County) |
| Place Type | Township |
| ZIP Code(s) | 57383 |
| County | Aurora County |
| Area Code(s) | 605 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 69 |
| Majority Ethnicity | White 94.52% |
| US Congressional District(s) | South Dakota At-Large |
| State House Districts | 20 |
| State Senate Districts | 20 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.52% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.48% |