| Place Name | Grass Lake |
| Place Type | Village |
| ZIP Code(s) | 49240 |
| County | Jackson County |
| Area Code(s) | 517 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 1,202 |
| Population Growth Rate (2010-19) | -5.80% |
| Majority Ethnicity | White 93.19% |
| Metro/Micro Stats Area | Jackson, MI |
| US Congressional District(s) | Michigan 7th |
| State House Districts | 65 |
| State Senate Districts | 16 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.19% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0.92% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.89% |