Onslow County's estimated 2026 population is 219,678 with a growth rate of 1.15% in the past year according to the most recent United States census data. Onslow County is the 13th largest county in North Carolina. The 2010 population was 186,918 and has seen a growth of 17.53% since that time.
Data after 2023 is projected based on recent change
Overall: 27.7 years
Female: 31.4 years
Male: 25 years
There are 156,392 adults, (21,189 of whom are seniors) in Onslow County.
Female: 93,429 (44.9%)
Male: 114,477 (55.1%)
The racial composition of Onslow County includes 67.21% White, 12.04% Black or African American, 3.68% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 139,725 | 67.21% |
| Two or more races | 29,752 | 14.31% |
| Black or African American | 25,041 | 12.04% |
| Other race | 7,661 | 3.68% |
| Asian | 3,934 | 1.89% |
| Native American | 1,465 | 0.7% |
| Native Hawaiian or Pacific Islander | 328 | 0.16% |
Onslow County's average per capita income is $47,145. Household income levels show a median of $68,148. The poverty rate stands at 11.59%.
Name | Median | Mean |
|---|---|---|
| Married Families | $84,154 | $103,195 |
| Families | $76,749 | $93,514 |
| Households | $68,148 | $85,766 |
| Non Families | $45,313 | $62,770 |
Average Income
Median Household Income
Poverty Rate