| Statistic | Castle Hayne | North Carolina | National |
| Population | 993 | 10,488,084 | 328,239,523 |
| Population density (sq mi) | 208 | 218 | 91 |
| Median age | 57.5 | 38.3 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 68% | 57% | 55% |
| Families w/ Kids under 18 | 35% | 43% | 43% |
| Speak English | 88% | 89% | 79% |
| Speak Spanish | 12% | 7% | 13% |
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| Race | Castle Hayne | North Carolina | National |
| White | 90.53% | 69.24% | 73.35% |
| Black | 5.64% | 21.50% | 12.63% |
| Asian | 2.01% | 2.56% | 5.22% |
| American Indian | 0.00% | 1.18% | 0.82% |
| Native Hawaiian | 0.00% | 0.07% | 0.18% |
| Mixed race | 1.81% | 2.45% | 3.06% |
| Other race | 0.00% | 3.01% | 4.75% |
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