| Place Name | Marengo |
| Place Type | Town |
| ZIP Code(s) | 47140 |
| County | Crawford County |
| Area Code(s) | 812,930 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 753 |
| Population Growth Rate (2010-19) | 0.12% |
| Majority Ethnicity | White 91.3% |
| US Congressional District(s) | Indiana 9th |
| State House Districts | 74 |
| State Senate Districts | 47 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.3% |
| African American | 0% |
| Hispanic | 3.43% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.27% |