South Run is a

census-designated place A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counte ...

Fairfax County Fairfax County, officially the County of Fairfax, is a county in the Commonwealth of Virginia. With a population of 1,150,309 as of the 2020 census, it is the most populous county in Virginia, the most populous jurisdiction in the Washington ...

Virginia Virginia, officially the Commonwealth of Virginia, is a U.S. state, state in the Southeastern United States, Southeastern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States between the East Coast of the United States ...

, United States. The population as of the 2010 census was 6,389.

Geography

The South Run CDP is in southern Fairfax County, bordered to the northwest by Burke Lake Park, to the north by

Burke Burke (; ) is a Normans in Ireland, Norman-Irish surname, deriving from the ancient Anglo-Norman and Hiberno-Norman noble dynasty, the House of Burgh. In Ireland, the descendants of William de Burgh (''circa'' 1160–1206) had the surname'' de B ...

, to the east by Newington Forest, and to the south by Crosspointe. The CDP's borders are formed by the

Fairfax County Parkway The Fairfax County Parkway, numbered State Route 286 (SR 286, formerly SR 7100), is a primary State highways in Virginia, state highway in the U.S. state of Virginia, acting as an Limited-access highway, expressway in Fairfax Coun ...

(Virginia Route 286) to the north; Hooes Road to the east; South Run, a tributary of South Run, and Silverbrook Road to the south; and Ox Road (

Virginia State Route 123 State Route 123 (SR 123) or Virginia State Route 123 (VA 123) is a primary state highway in the U.S. state of Virginia. The state highway runs from U.S. Route 1 in Virginia, U.S. Route 1 (US 1) in Woodbridge, Virginia, Woodbridge north to th ...

) to the southwest. The city of Fairfax is to the north, and downtown

Washington, D.C. Washington, D.C., formally the District of Columbia and commonly known as Washington or D.C., is the capital city and federal district of the United States. The city is on the Potomac River, across from Virginia, and shares land borders with ...

is to the northeast. According to the

U.S. Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the U.S. federal statistical system, responsible for producing data about the American people and economy. The U.S. Census Bureau is part of the U ...

, the total area of the South Run CDP is , of which is land and , or 2.52%, is water. South Run, a tributary of

Pohick Creek Pohick Creek is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed August 15, 2011 tributary stream of the Potomac River in Fairfax County in the U.S. state of Virginia. It takes its n ...

and part of the

Potomac River The Potomac River () is in the Mid-Atlantic (United States), Mid-Atlantic region of the United States and flows from the Potomac Highlands in West Virginia to Chesapeake Bay in Maryland. It is long,U.S. Geological Survey. National Hydrography D ...

watershed, flows from west to east through the center of CDP. At the southeast corner of the CDP it is impounded as Lake Mercer.

Demographics

South Run was first listed as a

census designated place A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counte ...

in the 2010 U.S. Census.

References

Census-designated places in Fairfax County, Virginia Washington metropolitan area Census-designated places in Virginia {{FairfaxCountyVA-geo-stub