| Place Name | Castle Hayne |
| Place Type | Census Designated Place |
| ZIP Code(s) | 28429 |
| County | New Hanover County |
| Area Code(s) | 910 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 1,348 |
| Population Growth Rate (2010-19) | 3.41% |
| Majority Ethnicity | White 82% |
| Metro/Micro Stats Area | Wilmington, NC |
| US Congressional District(s) | North Carolina 7th |
| State House Districts | 20 |
| State Senate Districts | 9 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 82% |
| African American | 5.05% |
| Hispanic | 0% |
| Asian | 1.84% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 11.11% |