Jacksonville, located in Onslow County, is a coastal community with a deep heritage. Onslow County is home to the Marine Corps Base, Camp Lejeune and the Marine Corps Air Station, New River. The military population of Onslow County offers a variety of cultural backgrounds.
| US Census 2010 | Number | Percent |
| Jacksonville Population | 69,220 | 100% |
| Onslow County | 183,263 | |
| Sex and Age | ||
| Male | 41,226 | 58.8% |
| Female | 28.919 | 41.2% |
| Male Median Age (years) | 22.3 | |
| Female Median Age (years) | 25.1 | |
| Race | ||
| One Race | 66.838 | 95.3% |
| White | 47,460 | 67.7% |
| Black or African American | 14,055 | 20% |
| Hispanic or Latino | 9,106 | 13% |
| American Indian and Alaska Native | 502 | .7% |
| Asian | 1,748 | 2.5% |
| Other | 2,865 | 4.1% |
| Two or More Races | 3,307 | 4.7% |
| Income | ||
| Per Capita Income | $21,047 | |
| Median Household Income | $42,369 |
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