| Place Name | Grass Lake Township |
| Place Type | Township |
| ZIP Code(s) | 55006 55030 55051 |
| County | Kanabec County |
| Area Code(s) | 320 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 883 |
| Majority Ethnicity | White 95.86% |
| US Congressional District(s) | Minnesota 8th |
| State House Districts | 11B |
| State Senate Districts | 11 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.86% |
| African American | 0% |
| Hispanic | 1.12% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.02% |