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Time Zone: Onslow County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Jacksonville is the Seat for Onslow County.

Onslow County was founded in 1734 and was created by taking area from New HanoverCounty.

From the Census Estimates for 2009, <1> Onslow had a population of 173,064 people. This is an increase of 15.1% since the last Census (which gave a population of 150,355 people in 2000).

At the time of the 2000 Census, Onslow represented 1.87% of the total population of North Carolina, making it the state's 10th most populous county (out of 100 counties).

The following table shows the recent changes in population. Other than 2000, the population counts have been estimated by the Census Bureau.

Since 2000
Year-to-Year Change
2010177,772+18.23%+2.72% since 2009
2009173,064+15.1%+2.26% since 2008
2008169,233+12.56%+3.43% since 2007
2000150,355The Last Census

More information can be found on the Onslow County Census Page for Onslow County.


Below are some of the communities located in Onslow County (for more communities, please visit our Nearby Page for Onslow County):

Community 2009
(2009vs. 2000)
Jacksonville   80,54266,71520.73% increase  
Surf City   2,0611,39347.95% increase  
Swansboro   2,0391,42642.99% increase  
Holly Ridge   98283118.17% increase  
North Topsail Beach   96784314.71% increase  

Websites for Onslow County

Official Website:   www.co.onslow.nc.us/

If you know of a history or genealogy society whose interest includes Onslow County, would you please send us the URL for their website? We would like to add their link to our Gazetteer. To contact us, please visit our Feedback Page.

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Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2000 Census and the next count will be for the 2010 Census.

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<2>All Quarter-dollar coin images from the United States Mint.

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