Idylwood is located in eastern Fairfax County at . It is bordered to the east by the city ofFalls Church, to the north by Pimmit Hills and Tysons Corner, to the west by Dunn Loring, to the southwest by Merrifield, and to the south by West Falls Church. The Capital Beltway forms the western border of the CDP, Virginia Route 7 forms the northern border, and U.S. Route 29 forms the southern border. According to the United States Census Bureau, the CDP has a total area of, of which, or 0.21%, is water.
Demographics
As of the census of 2000, there were 16,005 people, 6,560 households, and 3,831 families residing in the CDP. The population density was 5,618.0 people per square mile. There were 6,727 housing units at an average density of 2,361.3/sq mi. The racial makeup of the CDP was 62.69% White, 6.93% African American, 0.32% Native American, 19.21% Asian, 0.06% Pacific Islander, 7.09% from other races, and 3.71% from two or more races. Hispanic or Latino of any race were 16.38% of the population. There were 6,560 households, out of which 26.6% had children under the age of 18 living with them, 45.8% were married couples living together, 8.7% had a female householder with no husband present, and 41.6% were non-families. 29.0% of all households were made up of individuals, and 4.3% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 3.04. In the CDP, the population was spread out, with 19.7% under the age of 18, 9.4% from 18 to 24, 42.2% from 25 to 44, 21.5% from 45 to 64, and 7.2% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 100.6 males. For every 100 females age 18 and over, there were 98.9 males. The median income for a household in the CDP was $66,895, and the median income for a family was $74,103. Males had a median income of $50,107 versus $44,449 for females. The per capita income for the CDP was $34,485. About 4.0% of families and 5.8% of the population were below the poverty line, including 7.0% of those under age 18 and 3.4% of those age 65 or over.
operates public schools serving Idylwood. George C. Marshall High School is in Idylwood.
Parks and recreation
The Fairfax County Park Authority operates the Jefferson District Golf Course in the southwest corner of the CDP. Idylwood Park, in the western part of the CDP north of I-66 and east of the Beltway, is a county park with baseball, softball, and soccer fields, plus basketball and tennis courts.