| Place Name | Marengo Township |
| Place Type | Township |
| ZIP Code(s) | 49068 49224 |
| County | Calhoun County |
| Area Code(s) | 269,517 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 2,535 |
| Majority Ethnicity | White 97.49% |
| Metro/Micro Stats Area | Battle Creek, MI |
| US Congressional District(s) | Michigan 3rd |
| State House Districts | 63 |
| State Senate Districts | 19 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.49% |
| African American | 0.49% |
| Hispanic | 0.36% |
| Asian | 0.12% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.54% |