| Name | Onslow County |
| State | North Carolina |
| FIPS Code | 37133 |
| County Seat | Jacksonville |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 211,184 |
| Population Growth Rate(2020-2024) | 3.12% |
| Majority Ethnicity | White 70.44% |
| Public School Majority Ethnicity | White 54% |
| Partisan Voting Index | Republican:+17 |
| Unemployment Rate (May 2026) | 4.0% |
| Sales Tax Rate (2025) | 7% |
| Area Code(s) | 910 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 70.44% |
| African American | 12.76% |
| Hispanic | 14.02% |
| Asian | 1.86% |
| Native American | 0.79% |
| Hawaiin/Pacific Islander | 0.12% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 53.56% |
| African American | 17.49% |
| Hispanic | 17.4% |
| Asian | 1.09% |
| Native American | 0.36% |
| Hawaiin/Pacific Islander | 0.34% |