Onslow County's estimated 2025 population is 222,966 with a growth rate of 2.13% 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 19.29% since that time.
Data after 2023 is projected based on recent change
The racial composition of Onslow County includes 69.24% White, 12.54% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (69.2%)
Two or more races (12.8%)
Black or African American (12.5%)
Other race (2.6%)
Asian (1.8%)
Native American (0.8%)
Native Hawaiian or Pacific Islander (0.1%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 144,394 | 69.24% |
| Two or more races | 26,791 | 12.85% |
| Black or African American | 26,157 | 12.54% |
| Other race | 5,509 | 2.64% |
| Asian | 3,809 | 1.83% |
| Native American | 1,629 | 0.78% |
| Native Hawaiian or Pacific Islander | 248 | 0.12% |
Married
Widowed
Divorced
Separated
Never Married
Onslow County's average per capita income is $44,526. Household income levels show a median of $64,568. The poverty rate stands at 11.72%.
Name | Median | Mean |
|---|---|---|
| Married Families | $80,550 | $96,953 |
| Families | $72,330 | $88,628 |
| Households | $64,568 | $80,838 |
| Non Families | $42,358 | $56,944 |
Average Income
Median Household Income
Poverty Rate