| Place Name | Grass Township |
| Place Type | Township |
| County | Spencer County |
| Area Code(s) | 812,930 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 978 |
| Majority Ethnicity | White 97.01% |
| US Congressional District(s) | Indiana 8th |
| State House Districts | 75 |
| State Senate Districts | 48 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.01% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.99% |