Onslow County, North Carolina
Onslow County: county in North Carolina, United States
About
Onslow County is a county located in the U.S. state of North Carolina. As of the 2010 census, the population was 177,772 and a population density of 76 people per km². After 10 years in 2020 county had an estimated population of 203,943 inhabitants. Its county seat is Jacksonville. The county was created 292 years ago in 1733.
County Snapshot
Onslow County at a glance
Onslow County currently has 9 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
9
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
North Carolina counties
100
Open related pagesLargest city
JacksonvillePopulation 76,284
Top linked places
Quick Facts about Onslow County
| Population | 203,943 (2020) |
| Country | United States of America |
| State | North Carolina (United States) |
| Twitter username | onslowpio |
| Area | 2353 km2 |
| Water as percent of area | 16% |
| Land as percent of area | 84% |
| Latitude & Longitude | 34.7631,-77.3932 |
| Named for | Arthur Onslow |
| Altitude | 10 feet / 3 meters |
| Capital | Jacksonville |
| Establishment | January 01, 1734 |
| Time Zone | America/New_York |
| Local time | 07:52:56 (16th April 2026) |
| Density | 87 Pop. per km² as of 2020 |
| Population growth | 12.83% (2010-2020) |
| Weather | 86℉ Mostly Sunny 7-days weather |
Geography
Onslow County is located at 34°45'47"N 77°23'35"W (34.7630500, -77.3931900). It has 4 neighbors: Carteret County, Duplin County, Jones County and Pender County.
Onslow County map
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The largest city of Onslow County is Jacksonville with a population of 76,284. Other cities include, Swansboro population 3,394, Holly Ridge population 3,092 and North Topsail Beach population 743. See all Onslow County cities & populated places.
Onslow County Populated Places
Cities, towns, neighborhoods & other populated places in Onslow County.
| City Name | Population | Title |
|---|---|---|
| Jacksonville | 76,284 | The most populous city in Onslow County, North Carolina. |
| Piney Green | 13,293 | Census designated place |
| Half Moon | 8,352 | Census-Designated Place in Onslow County, North Carolina |
| Swansboro | 3,394 | Town in North Carolina, United States |
| Holly Ridge | 3,092 | City in Onslow County, North Carolina, United States of America |
| Sneads Ferry | 2,646 | Township in Onslow County, North Carolina |
| Pumpkin Center | 2,222 | Township in Onslow County, North Carolina |
| Richlands | 1,689 | Township in Onslow County, North Carolina |
| North Topsail Beach | 743 | Town in Onslow County, North Carolina, United States |
- Jacksonville
Demographics
The population of Onslow County increased by 12.83% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 177,772 | - | census |
| 2011 | 184,993 | 3.9% | estimation process |
| 2012 | 190,678 | 2.98% | estimation process |
| 2013 | 192,354 | 0.87% | estimation process |
| 2014 | 191,822 | -0.28% | estimation process |
| 2015 | 193,114 | 0.67% | estimation process |
| 2016 | 192,314 | -0.42% | estimation process |
| 2017 | 195,066 | 1.41% | estimation process |
| 2018 | 196,915 | 0.94% | estimation process |
| 2019 | 197,938 | 0.52% | estimation process |
| 2020 | 203,943 | 2.94% | estimation process |
People born in Onslow County (5)
People born in Onslow County, including football player and coach Norv Turner, actress Jere Fields, American-football player Nakia Codie, .
More notable people
- Sugar Dulin (soldier in the American Revolutionary War and resident of Mecklenburg County, N.C.) he was born in 23/04/1763
- Virginia Russell Reavis (U.S. military veteran) she was born in 06/10/1920
North Carolina Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Wake County | 1,132,271 | County in North Carolina, United States |
| Mecklenburg County | 1,128,945 | County in North Carolina, United States |
| Charlotte | 900,350 | The fourteenth most populous city in the United States and the center of the Charlotte metropolitan area. |
| Guilford County | 540,521 | County in North Carolina, United States of America |
| Raleigh | 474,414 | The capital of North Carolina, Raleigh is a major center for business, government, and education. |
| Forsyth County | 383,843 | County in North Carolina, United States of America |
| West Raleigh | 338,759 | A census-designated place located in Wake County, North Carolina. |
| Cumberland County | 336,364 | County in Maine, United States |
| Durham County | 327,306 | County in North Carolina, United States of America |
| Greensboro | 297,878 | The third most populous city in North Carolina and the center of the Greensboro metropolitan area. |
| Durham | 285,897 | The third most populous city in North Carolina and the center of the Durham metropolitan area. |
| Buncombe County | 263,477 | County in North Carolina, United States |
| Winston-Salem | 248,112 | The fifth most populous city in North Carolina. |
| Union County | 244,562 | County in North Carolina, United States |
| New Hanover County | 236,613 | County in North Carolina, United States |
| Gaston County | 226,568 | County in North Carolina, United States |