| Place Name | New Castle |
| Place Type | City |
| ZIP Code(s) | 47362 |
| County | Henry County |
| Area Code(s) | 765 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 18,066 |
| Population Growth Rate (2010-19) | -3.96% |
| Majority Ethnicity | White 94.86% |
| Metro/Micro Stats Area | New Castle, IN |
| US Congressional District(s) | Indiana 6th |
| State House Districts | 54 |
| State Senate Districts | 42 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.86% |
| African American | 2.93% |
| Hispanic | 0.01% |
| Asian | 0.54% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.66% |