Franklin Farm refers to both a census-designated place (CDP) and a planned community located within the Oak Hill section of Fairfax County, Virginia, United States. It is a suburb of Washington, D.C., located about 20 miles west of the White House. At the 2020 census it had a population of 19,189.
The planned community of Franklin Farm is located within the CDP. Covering slightly less than 30 percent of the CDP, the planned community occupies 1.32 square miles (850 acres) and contains 1,777 housing units. It was established in 1980 and features 13 miles of trails, six fishing ponds, six tennis courts, two swimming pools, 14 tot lots, three multipurpose courts, one sand volleyball court, and 180 acres of open space. The Fairfax County Parkway bisects the community. The Franklin Farm Foundation is the homeowner association with jurisdiction over the planned community.
As an unincorporated area, Franklin Farm's CDP boundaries are not officially defined by either a municipal government or by the government of Fairfax County, though the Franklin Farm Foundation does have specific boundaries.
The namesake farm was purchased by airline pilot James Franklin in 1936, from a $10,000 sweepstakes winning. The farm expanded from 100 to 827 acres by 1979, before it was sold for development. The Franklin Farm community eventually included 1,777 homes in 27 neighborhoods.
Franklin Farm was first listed as a census designated place in the 2010 U.S. census formed from part of Chantilly CDP and additional area.
As of the 2020 census, Franklin Farm had a population of 19,189. The median age was 42.2 years. 25.7% of residents were under the age of 18 and 13.1% of residents were 65 years of age or older. For every 100 females there were 101.0 males, and for every 100 females age 18 and over there were 97.8 males age 18 and over.
100.0% of residents lived in urban areas, while 0.0% lived in rural areas.
There were 6,160 households in Franklin Farm, of which 43.4% had children under the age of 18 living in them. Of all households, 78.6% were married-couple households, 7.3% were households with a male householder and no spouse or partner present, and 12.0% were households with a female householder and no spouse or partner present. About 9.5% of all households were made up of individuals and 4.2% had someone living alone who was 65 years of age or older.
There were 6,221 housing units, of which 1.0% were vacant. The homeowner vacancy rate was 0.2% and the rental vacancy rate was 3.2%.
The Franklin Farm CDP, which was named for the older planned community contained within, had a population of 19,288 as of the 2010 census. The population was divided among 6,197 housing units, which were spread across 4.78 square miles (3,059 acres) of land.