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Population Review

Onslow County, North Carolina Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 13th-largest in North Carolina

The population of Onslow County, North Carolina is 208,537 as of the 2023 American Community Survey, making it the 13th-largest county in North Carolina. The median household income is $64,568, the median home value is $219,500, and the median age is 27.1.

The population of Onslow County has grown 13.9% since 2010 (186,918 → 212,954), a +0.94% annualized rate.

Onslow County within North Carolina · Source: US Census TIGER/Line via us-atlas

208,537

Population

+0.94%

Annual growth

274

People / sq mi

$64,568

Median Income

$219,500

Median Home Value

Onslow County covers 762 sq mi of land at 273.6 people per square mile.

About Onslow County, NC

Onslow County is a county in North Carolina with a population of 208,537. It ranks #13 among counties in North Carolina by population. The median age is 27.1, younger than the national median. The population is 55.8% male and 44.2% female.

The median household income in Onslow County is $64,568, below the US median of $74,580. 9.9% of residents live below the federal poverty level. Home values sit at a median of $219,500, with monthly rent averaging $1,198. The homeownership rate of 61.0% is lower than the national rate of 64.8%.

Educational attainment in Onslow County reflects 26.1% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 10.9% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 21.6 minutes each way.

Onslow County Population History (2010-2024)

The county of Onslow County had a population of 186,918 in 2010 and 212,954 in 2024, a 13.9% growth over 14 years. The peak was 212,954 in 2024. Average annual growth rate: 0.94%.

2024 · 213K20102024

212,954

Population (2024)

186,918

Population (2010)

212,954

Peak (2024)

0.94%

Avg Annual Growth

YearPopulation
2010186,918
2011185,068
2012190,813
2013192,522
2014192,061
2015193,402
2016192,745
2017195,332
2018197,069
2019202,795
2020205,111
2021203,563
2022206,718
2023211,184
2024212,954

Race & Ethnicity

White69.2%
Black or African American12.5%
Asian0.0%
Hispanic or Latino (any race)3.8%
Two or More Races0.0%

Age & Sex

27.1

Median Age

44.2%

Female

55.8%

Male

9.7%

Age 65+

Age Distribution

Under 5
8.0%
5–9
6.6%
10–14
6.5%
15–19
7.9%
20–24
16.8%
25–34
17.4%
35–44
11.4%
45–54
7.7%
55–59
4.0%
60–64
4.1%
65–74
6.0%
75–84
2.8%
85+
0.9%

Children (under 15): 21.1% · Seniors (65+): 9.7%

Income & Poverty

Median household income$64,568$-5,336 vs state
Mean household income$80,838
Per-capita income$30,998
Poverty rate9.9%+0.5% vs state
Unemployment rate2.6%
Employment-to-population42.8%

Top Industries by Employment

Professional & business services
21.1%
Education & health care
12.2%
Finance & real estate
10.9%
Construction
8.8%
Public administration
8.1%
Retail trade
5.9%
Manufacturing
5.2%
Information
4.9%

The largest employment sector in Onslow County is professional & business services, accounting for 21.1% of workers.

How residents commute

0.1%

Drive alone

7.5%

Carpool

66.4%

Public transit

10.9%

Work from home

21.6 min

Avg commute

Housing

$219,500$-39,900 vs state

Median home value

$1,198

Median rent

61.0%

Homeownership rate

85,917

Total housing units

84.4%

Occupied

15.6%

Vacant

39.0%

Renter-occupied

Social & access

89.9%

With health insurance

97.0%

With broadband internet

60.8%

Foreign-born

21.8%

Veterans (18+)

16.6%

With a disability

89.7%

Speak language other than English at home

Education

93.2%

High School+

26.1%

Bachelor's+

Largest cities in North Carolina

Other counties in North Carolina

Part of North Carolina

Metro areas in North Carolina

County rankings

Frequently Asked Questions

Onslow County, North Carolina has a population of 208,537 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 13th-largest county in North Carolina. Population density is 274 people per square mile.

The population of Onslow County has grown 13.9% since 2010 (186,918 → 212,954), a +0.94% annualized rate.

The median household income in Onslow County, North Carolina is $64,568, with mean (average) household income of $80,838 and per-capita income of $30,998. 9.9% of residents live below the federal poverty level.

In Onslow County, the largest racial and ethnic groups are White (69.2%), Black or African American (12.5%), Hispanic or Latino (3.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Onslow County, North Carolina is 27.1 years. Residents are 44.2% female and 55.8% male.

The median home value in Onslow County is $219,500 and median monthly rent is $1,198. 61.0% of occupied housing units are owner-occupied. The county has 85,917 total housing units, 15.6% of which are vacant.

The largest employment sector in Onslow County, North Carolina is professional, scientific, and management services, employing 21.1% of workers. The unemployment rate is 2.6%.

Charlotte is among the largest cities associated with Onslow County, North Carolina, with a population of 886,283.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.