
Castle Hayne
- County:
- New Hanover County
- County Seat:
- No
- Area (mi²):
- 4.764
- State:
- North Carolina
Castle Hayne is a CDP located in New Hanover County, North Carolina. Castle Hayne has a 2025 population of 912. Castle Hayne is currently declining at a rate of -2.04% annually and its population has decreased by -8.16% since the most recent census, which recorded a population of 993 in 2020.
The average household income in Castle Hayne is $82,229 with a poverty rate of 8.08%. The median age in Castle Hayne is 55.7 years: 59.6 years for males, and 51.3 years for females.