| Place Name | Newcastle Township |
| Place Type | Township |
| ZIP Code(s) | 46539 46570 46910 46975 |
| County | Fulton County |
| Area Code(s) | 574 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 1,260 |
| Majority Ethnicity | White 90.19% |
| US Congressional District(s) | Indiana 2nd |
| State House Districts | 17 |
| State Senate Districts | 18 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 90.19% |
| African American | 0% |
| Hispanic | 0.43% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 9.38% |