Onslow County Demographics

A map of Onslow County's Population by Race

Onslow County, North Carolina had a population of 204,576 in 2020. It was 63.3% White, 13.2% Black, 2.2% Asian, 13.5% Hispanic, 1.4% Native American/Other, and 6.4% Multiracial. This map presents the population of Onslow County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Onslow County is the 13th most populous county of the 100 counties in North Carolina.

Onslow County's White Population

129,499 residents of Onslow County identify as White, or 63.3%. This makes the White share of the population of Onslow County roughly similar to the White share of the population of North Carolina (60.5% White). Of the 100 counties in North Carolina, Onslow County is ranked #57 in terms of White residents as a share of the population.

Onslow County is more White than neighboring Jones County (63.1% White), Duplin County (51.2% White), and Lenoir County (48.2% White). Onslow County is less White than neighboring Pender County (73.8% White), and Craven County (64.5% White).

Onslow County's Black Population

26,939 residents of Onslow County identify as Black, or 13.2%. This makes the Black share of the population of Onslow County slightly less than the Black share of the population of North Carolina (20.2% Black). Of the 100 counties in North Carolina, Onslow County is ranked #55 in terms of Black residents as a share of the population.

Onslow County is more Black than neighboring Pender County (12.5% Black). Onslow County is less Black than neighboring Jones County (28% Black), Craven County (19.8% Black), Duplin County (23.5% Black), and Lenoir County (40% Black).

Onslow County's Asian Population

4,508 residents of Onslow County identify as Asian, or 2.2%. This makes the Asian share of the population of Onslow County roughly similar to the Asian share of the population of North Carolina (3.3% Asian). Of the 100 counties in North Carolina, Onslow County is ranked #14 in terms of Asian residents as a share of the population.

Onslow County is more Asian than neighboring Jones County (0.3% Asian), Pender County (0.5% Asian), Duplin County (0.3% Asian), and Lenoir County (0.6% Asian). Onslow County is less Asian than neighboring Craven County (3% Asian).

Onslow County's Hispanic Population

27,641 residents of Onslow County identify as Hispanic, or 13.5%. This makes the Hispanic share of the population of Onslow County roughly similar to the Hispanic share of the population of North Carolina (10.7% Hispanic). Of the 100 counties in North Carolina, Onslow County is ranked #14 in terms of Hispanic residents as a share of the population.

Onslow County is more Hispanic than neighboring Jones County (4.3% Hispanic), Pender County (8.3% Hispanic), Craven County (7.1% Hispanic), and Lenoir County (7.9% Hispanic). Onslow County is less Hispanic than neighboring Duplin County (22.2% Hispanic).

Onslow County's Native American/Other Population

2,944 residents of Onslow County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.4%. This makes the Native American/Other share of the population of Onslow County roughly similar to the Native American/Other share of the population of North Carolina (1.5% Native American/Other). Of the 100 counties in North Carolina, Onslow County is ranked #16 in terms of Native American/Other residents as a share of the population.

Onslow County is more Native American/Other than neighboring Jones County (0.8% Native American/Other), Pender County (0.8% Native American/Other), Craven County (0.9% Native American/Other), Duplin County (0.6% Native American/Other), and Lenoir County (0.5% Native American/Other).

Onslow County's Multiracial Population

13,045 residents of Onslow County identify as Multiracial, or 6.4%. This makes the Multiracial share of the population of Onslow County roughly similar to the Multiracial share of the population of North Carolina (3.9% Multiracial). Of the 100 counties in North Carolina, Onslow County is ranked #1 in terms of Multiracial residents as a share of the population.

Onslow County is more Multiracial than neighboring Jones County (3.5% Multiracial), Pender County (4.1% Multiracial), Craven County (4.7% Multiracial), Duplin County (2.2% Multiracial), and Lenoir County (2.8% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.