Map of Onslow County - Onslow County is a county located in the U.S. state of North Carolina. Onslow County Map showing cities, highways, important places and water bodies. Get Where is Onslow County located in the map, major cities in Onslow county, population, areas, and places of interest.
Map of Onslow County, North Carolina
About Onslow County Map, North Carolina: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.
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About Onslow County, North Carolina
Onslow County is a county located in the U.S. state of North Carolina. It's county seat is Jacksonville. As per 2020 census, the population of Onslow County is 206160 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 909 sq mi (2,354 km2). Onslow County was established on 1734.
Facts about Onslow County, North Carolina
| Country | United States |
| State | North Carolina |
| Region | Coastal Plain / Southeastern North Carolina |
| County Seat | Jacksonville |
| Named After | Arthur Onslow (long‑serving Speaker of the British House of Commons) |
| Established | 1734 (as Onslow Precinct), county status 1739 |
| Coordinates | ~34.76° N, 77.43° W |
| Total Area | ~905.20 sq mi |
| Land Area | ~762.08 sq mi |
| Water Area | ~143.12 sq mi |
| Population (2020) | ~204,576 |
| Estimated Population (2024) | ~212,954 |
| Estimated Population (2025) | ~214,724 |
| Population Density | ~268 per sq mi (land area) |
| Major Communities | Jacksonville, Holly Ridge, Swansboro, Richlands, North Topsail Beach, part of Surf City, Sneads Ferry, Piney Green |
| Main Industries | Military presence (Camp Lejeune & New River Air Station), Tourism, Fishing, Services, Retail |
| Major Roads | U.S. Highway 17, NC Highway 24, NC Highway 172, U.S. Highway 258 |
| Time Zone | Eastern Time (UTC−05:00) |
| Known For | Marine Corps Base Camp Lejeune & military heritage, Jacksonville & coastal culture, beaches & boating, fishing & outdoor recreation |
| Website | https://www.onslowcountync.gov |
Top Attractions in Onslow County, North Carolina
- Camp Lejeune Base Tours – Military history and exhibits.
- New River Inlet – Boating and fishing.
- Onslow County Museum – Local history exhibits.
- Harkers Island – Coastal scenery and local culture.
- Bear Island Wildlife Management Area – Hiking and wildlife viewing.
- Jones Island Lighthouse – Historic lighthouse.
- Marine Corps Base Recreation Areas – Outdoor activities.
- Surf City Beaches – Swimming and sunbathing.
- Swansboro Downtown – Shops and dining.
- Queen Creek Park – Trails and picnics.
Cities & Towns in Onslow County, North Carolina
Jacksonville, Holly Ridge, Richlands, Swansboro, Sneads Ferry, North Topsail Beach, Surf City, Piney Green, Hubert, Camp Lejeune
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