Onslow County, NC Demographics

The total population of Onslow County is estimated to be 203,686 with 113,368 males (55.66%) and 90,318 females (44.34%). There are 23,050 less females than males in Onslow County.
The median household income in Onslow County was $59,160 in 2021, which marked an an increase of 735(1.26%) from $58,425 in 2020. This income is 79.30% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Onslow County sees its highest median household income among householders in the age group of 45 to 64 years old, at $83,552. Overall, the median household income for the county of Onslow County stands at $62,460.
In Onslow County, the median income for all workers aged 15 years and older, regardless of work hours, was $33,851 for males and $26,773 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $39,706 for males and $44,282 for females.
In Onslow County, the demographic landscape is diverse, spanning 6 distinct racial categories among households. Among these, American Indian and Alaska Native households have the highest median household income at $86,586, while Asian households represent the opposite end with the lowest median household income of $36,427.
In 2022, the population of Onslow County was 207,298, a 1.29% increase year-by-year from 2021. Previously, in 2021, Onslow County's population was 204,660, a decline of 0.14% compared to a population of 204,937 in 2020.
The median age in Onslow County, NC is 26.9, as per 2021 ACS 5-Year Estimates. Of the total population, 21.31% were under the age of 15, 34.73% aged 15 to 29, 34.64% aged 30 to 64, 8.41% aged 65 to 84, and 0.90% were 85 years of age and older.
Racial distribution of Onslow County population: 72.07% are White, 14.33% are Black or African American, 0.53% are American Indian and Alaska Native, 1.99% are Asian, 0.17% are Native Hawaiian and other Pacific Islander, 2.13% are some other race and 8.78% are multiracial.