Mason Neck
Census-designated place in Fairfax County, Virginia

Mason Neck is an unincorporated community (census-designated place) in Fairfax County, Virginia, with 2,025 residents (2020 Census). It sits at 20 ft (6 m) above sea level. The nearest town is Indian Head, 3.7 miles S.
- 2,025residents (2020 Census)
- 20 ftelevation · 6 m
- 13.9 sq miland area · 35.9 km²
- 146 / sq mipopulation density
- 22079ZIP code
About Mason Neck
Mason Neck is a peninsula jutting into the Potomac River that is a census-designated place in Fairfax County, Virginia, United States, southwest of Washington, D.C. It is surrounded by Belmont Bay to the west, the Potomac River to the south and east, Gunston Cove to the northeast, and Pohick Bay to the north-northeast. Mason Neck forms the southernmost section of Fairfax County in Northern Virginia. It comprises an area of 20.0 square miles (51.8 km2), two-thirds of which is preserved as parkland by regional, state, and national authorities. As of the 2020 census, Mason Neck had a population of 2,025.
Text: Wikipedia · CC BY-SA 4.0
Mason Neck weather: 7-day forecast
Loading the National Weather Service forecast…
Source: National Weather Service (NOAA).
Live webcams in Mason Neck
Webcams: Windy.com
Living in Mason Neck
- Median household income
- $167,857
- Median home value
- $818,300
- Median rent
- $2,486/mo
- Median age
- 48.4
Do you know Mason Neck? Tell us about it
Help other travelers: share what makes Mason Neck special. We review every message before publishing it.
Map of Mason Neck
Tap any street on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Mason Neck Street View
Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.
Open in Google Maps ›Mason Neck, VA population
Mason Neck had 2,025 residents in the 2020 Census.
| 2020 Census | 2,025 |
|---|---|
| Density | 146 per sq mi (56 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Mason Neck at a glance
| State | Virginia (VA) |
|---|---|
| County | Fairfax County |
| Type | Census-designated place |
| Population | 2,025 (2020) |
| Land area | 13.86 sq mi (35.9 km²) |
| Water area | 6.36 sq mi (16.47 km²) |
| Elevation | 20 ft (6 m) |
| Coordinates | 38.6510° N, 77.1705° W |
| ZIP code | 22079 |
| Census code (GEOID) | 5149998 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Mason Neck
- Indian Head, MD3.7 mi S
- Lorton4.1 mi NW
- Potomac Heights, MD4.2 mi SE
- Fort Belvoir4.5 mi N
- Woodbridge4.7 mi W
- Bryans Road, MD5.3 mi SE
- Occoquan5.4 mi NW
- Laurel Hill5.5 mi NW
- Mount Vernon5.6 mi NE
- Newington5.9 mi N
- Woodlawn6.4 mi NE
- Leesylvania6.7 mi SW
Straight-line distance between town centers.
Frequently asked questions about Mason Neck
What county is Mason Neck in?
Mason Neck is in Fairfax County, Virginia.
What is the population of Mason Neck, VA?
2,025 people lived in Mason Neck at the 2020 Census.
What is the ZIP code of Mason Neck, VA?
The ZIP code of Mason Neck is 22079.
What is the elevation of Mason Neck?
20 feet (6 m) above sea level.
What towns are near Mason Neck?
Indian Head (3.7 mi), Lorton (4.1 mi), Potomac Heights (4.2 mi), Fort Belvoir (4.5 mi), Woodbridge (4.7 mi).
Last updated: