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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

Age is the most distinctive thing about Onslow County: a median age of 27.1, younger than the national median. With 208,537 residents, Onslow County is a county in North Carolina. It ranks #13 among counties in North Carolina by population.

Household earnings are middling, with a median of $64,568 — below the US median of $78,538. Poverty runs at 9.9%, below the national 12.4%. Homes carry a median value of $219,500, with typical rent around $1,198.

26.1% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Remote work is on the higher side at 10.9%, below the national 14.0%, and the average commute runs about 22 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
Onslow County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

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.