| Place Name | Castalia |
| Place Type | Town |
| ZIP Code(s) | 27816 |
| County | Nash County |
| Area Code(s) | 252 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 277 |
| Population Growth Rate (2010-19) | -1.49% |
| Majority Ethnicity | African American 62.96% |
| Metro/Micro Stats Area | Rocky Mount, NC |
| US Congressional District(s) | North Carolina 2nd |
| State House Districts | 7,25 |
| State Senate Districts | 11 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 37.04% |
| African American | 62.96% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |