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Lansdowne is a census-designated place and planned community located near Leesburg, Virginia. The population as of the 2010 Census was 11,253. It is north of State Route 7 and south of the Potomac River. A section of the Potomac Heritage Trail runs through Lansdowne. It is the home of the Inova Loudoun Hospital, The Jack Kent Cooke Foundation, Lansdowne Resort, Prison Fellowship,</ref> and Leisure World of Virginia, a high rise luxury retirement community.
Lansdowne is part of the Washington Metropolitan Area and is approximately 25 miles west of Washington, D.C.
Homeowners' Associations 
There are two principal residential homeowners' associations in Lansdowne, aside from the Leisure World community. The largest is the Lansdowne On the Potomac HOA, which represents over 2,200 homes in the Lansdowne area, adjoining with the Potomac Station community to the west along Riverside Parkway. The second is the Lansdowne Village Green (Lansdowne Town Center), which represents over 500 homes surrounding the Lansdowne Town Center area between Riverside Parkway on the north, Route 7 on the south, Belmont Ridge Road on the west and the Lansdowne Country Club Golf Course on the east.
Students in Lansdowne attend schools that are part of Loudoun County Public Schools.
Children who live in the Lansdowne on the Potomac community attend elementary school at Seldens Landing Elementary School which is located in Lansdowne. Children who live in the Lansdowne Village Green (Lansdowne Town Center) community attend elementary school at Seldens Landing Elementary School, which is not located in Lansdowne. Middle school students attend Belmont Ridge Middle School which is located in Lansdowne. High school students attend Tuscarora High School (Loudoun County, Virginia) in Leesburg, Virginia.
See also 
- The National Conference Center, located in Lansdowne
- Virginia Trend Report 2: State and Complete Places (Sub-state 2010 Census Data). Missouri Census Data Center. Accessed 2011-03-08.