| Place Name | Jefferson Township (Grant County) |
| Place Type | Township |
| County | Grant County |
| Area Code(s) | 765 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 5,710 |
| Majority Ethnicity | White 93.2% |
| Metro/Micro Stats Area | Marion, IN |
| US Congressional District(s) | Indiana 5th |
| State House Districts | 32 |
| State Senate Districts | 19 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.2% |
| African American | 1.82% |
| Hispanic | 0.05% |
| Asian | 3.07% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.85% |