Onslow County Map, North Carolina

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Onslow County, 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.
Category | Details |
---|---|
County Name | Onslow County |
County Seat | Jacksonville |
Population | Approximately 210,000 |
Cities, Towns, and Communities | Jacksonville, Swansboro, Richlands, Hubert |
Interstates and Highways | U.S. Route 17, U.S. Route 24, U.S. Route 258 |
FIPS Code | 37-133 |
Total Area | 900 square miles (land and water) |
Adjacent Counties | Duplin County (Northwest), Jones County (North), Carteret County (East), Pender County (Southwest) |
Time Zone | Eastern Time Zone |
State | North Carolina |
Coordinates | 34.7564° N, 77.4304° W |
Etymology | Named after Arthur Onslow, Speaker of the House of Commons |
Major Landmarks | Marine Corps Base Camp Lejeune, Hammocks Beach State Park |
Website | Onslow County Website |
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