Onslow, North Carolina Census 2020 Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 204.58K population of Onslow, NC residents comprised of 27.64K residents who identified as Hispanic or Latino (13.51%), and 176.94K residents who identified as Non-Hispanic (86.49%).

Race: The White Alone population was the largest racial group in Onslow, NC, with a population of 137.07K (67.00%). The Black or African American Alone population was the second largest racial group in Onslow, NC, with a population of 28.03K (13.70%). The Two Or More Races population was the third largest racial group in Onslow, NC, with a population of 22.27K (10.89%). The smallest racial group in Onslow, NC was Native Hawaiian And Pacific Islander Alone with a population of 825 (0.40%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Onslow, NC, with a population of 129.50K (63.30%). The Non-Hispanic - Black Alone population was the second largest ethnic group in Onslow, NC, with a population of 26.94K (13.17%). The Non-Hispanic - Two or More Races population was the third largest ethnic group in Onslow, NC, with a population of 13.05K (6.38%). The smallest ethnic group in Onslow, NC was Hispanic - Native Hawaiian & Pac. Islander with a population of 48 (0.02%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Onslow, North Carolina from the 2020 decennial census.

You can see similar information for other North Carolina counties and also for the state of North Carolina.

Onslow, NC Hispanics and Non Hispanics Population in Census 2020
Total Population:
Onslow, NC Racial Groups in Census 2020
Total Population:
Onslow, NC Ethnicity Groups in Census 2020
Total Population:
Onslow, NC Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 28026 13.70
White Alone 137072 67.00
American Indian and Alaska Native Alone 1460 0.71
Asian Alone 4729 2.31
Native Hawaiian And Pacific Islander Alone 825 0.40
Some Other Race Alone 10196 4.98
Two Or More Races 22268 10.89
Onslow, NC Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 129499 63.30
Non-Hispanic - Black Alone 26939 13.17
Non-Hispanic - Two or More Races 13045 6.38
Hispanic - Two or More Races 9223 4.51
Hispanic - Some Other Race Alone 9048 4.42
Hispanic - White Alone 7573 3.70
Non-Hispanic - Asian Alone 4508 2.20
Non-Hispanic - Some Other Race Alone 1148 0.56
Hispanic - Black Alone 1087 0.53
Non-Hispanic - American Indian & Alaska Native 1019 0.50
Non-Hispanic - Native Hawaiian & Pac. Islander 777 0.38
Hispanic - American Indian & Alaska Native 441 0.22
Hispanic - Asian Alone 221 0.11
Hispanic - Native Hawaiian & Pac. Islander 48 0.02