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.
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%.
212,954
Population (2024)
186,918
Population (2010)
212,954
Peak (2024)
0.94%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 186,918 |
| 2011 | 185,068 |
| 2012 | 190,813 |
| 2013 | 192,522 |
| 2014 | 192,061 |
| 2015 | 193,402 |
| 2016 | 192,745 |
| 2017 | 195,332 |
| 2018 | 197,069 |
| 2019 | 202,795 |
| 2020 | 205,111 |
| 2021 | 203,563 |
| 2022 | 206,718 |
| 2023 | 211,184 |
| 2024 | 212,954 |
Race & Ethnicity
| White | 69.2% |
| Black or African American | 12.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.8% |
| Two or More Races | 0.0% |
Age & Sex
27.1
Median Age
44.2%
Female
55.8%
Male
9.7%
Age 65+
Age Distribution
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 rate | 9.9%+0.5% vs state |
| Unemployment rate | 2.6% |
| Employment-to-population | 42.8% |
Top Industries by Employment
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.
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Full rankings of North Carolina counties
Statewide data for North Carolina
Population, race, income, age, and trends across North Carolina
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.