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Onslow County Map, North Carolina

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Onslow County, North Carolina

Onslow Location Map North Carolina

Onslow County hugs the southern coast of North Carolina, along the Atlantic Ocean. One way to describe this county is that it’s where military culture meets coastal living.

Jacksonville, the county seat, has a young, diverse population. Marines are a common sight here because Camp Lejeune is a massive Marine Corps base that dominates the area.

The beaches of Topsail Island and Hammocks Beach State Park draw summer crowds. Fishing is a way of life so the county has some of the best seafood restaurants around. You can see Venus flytraps growing wild here.

CategoryDetails
County NameOnslow County
County SeatJacksonville
PopulationApproximately 210,000
Cities, Towns, and CommunitiesJacksonville, Swansboro, Richlands, Hubert
Interstates and HighwaysU.S. Route 17, U.S. Route 24, U.S. Route 258
FIPS Code37-133
Total Area900 square miles (land and water)
Adjacent CountiesDuplin County (Northwest), Jones County (North), Carteret County (East), Pender County (Southwest)
Time ZoneEastern Time Zone
StateNorth Carolina
Coordinates34.7564° N, 77.4304° W
EtymologyNamed after Arthur Onslow, Speaker of the House of Commons
Major LandmarksMarine Corps Base Camp Lejeune, Hammocks Beach State Park
WebsiteOnslow County Website

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