
Jacksonville
- County:
- Onslow County
- County Seat:
- No
- Area (mi²):
- 48.802
- State:
- North Carolina
Jacksonville is a city located in Onslow County, North Carolina. Jacksonville has a 2025 population of 71,517. Jacksonville is currently declining at a rate of -0.94% annually and its population has decreased by -4.54% since the most recent census, which recorded a population of 74,922 in 2020.
The average household income in Jacksonville is $70,826 with a poverty rate of 13.53%. The median age in Jacksonville is 23.3 years: 22.4 years for males, and 27.7 years for females.