| Place Name | Prairie Lake Township |
| Place Type | Township |
| ZIP Code(s) | 55736 55798 |
| County | Saint Louis County |
| Area Code(s) | 218 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 38 |
| Majority Ethnicity | White 100% |
| Metro/Micro Stats Area | Duluth, MN-WI |
| US Congressional District(s) | Minnesota 8th |
| State House Districts | 06A,11A |
| State Senate Districts | 6,11 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 100% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |