As of the 2010 census, the CDP was 81.4% White, 8.2% Black or African American, 0.2% Native American, 4.9% Asian, 1.1% were Some Other Race, and 2.3% were two or more races. 3.5% of the population were of Hispanic or Latino ancestry.[6]
As of the census[7] of 2000, there were 16,234 people, 6,389 households, and 4,255 families residing in the CDP. The population density was 4,485.7 inhabitants per square mile (1,731.9/km2). There were 6,582 housing units at an average density of 1,818.7 per square mile (702.2/km2). The racial makeup of the CDP was 88.57% White, 6.58% African American, 0.09% Native American, 3.06% Asian, 0.02% Pacific Islander, 0.48% from other races, and 1.21% from two or more races. Hispanic or Latino of any race were 1.57% of the population.
There were 6,389 households, out of which 30.0% had children under the age of 18 living with them, 53.3% were married couples living together, 10.0% had a female householder with no husband present, and 33.4% were non-families. 28.1% of all households were made up of individuals, and 11.3% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 3.05.
In the CDP, the population was spread out, with 22.9% under the age of 18, 6.5% from 18 to 24, 31.7% from 25 to 44, 21.4% from 45 to 64, and 17.4% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 89.3 males. For every 100 females age 18 and over, there were 85.5 males.
The median income for a household in the CDP was $50,378, and the median income for a family was $62,163. Males had a median income of $40,393 versus $32,451 for females. The per capita income for the CDP was $24,740. About 2.8% of families and 4.9% of the population were below the poverty line, including 4.5% of those under age 18 and 4.0% of those age 65 or over.
Willow Grove is served by the Willow Grove Interchange (exit 343) along the east–west Pennsylvania Turnpike (Interstate 276), which connects to Pennsylvania Route 611. Major roads serving Willow Grove are Pennsylvania Route 611 (Old York Road/Easton Road), Pennsylvania Route 263 (York Road), Pennsylvania Route 63 (Moreland Road), Fitzwatertown Road, Terwood Road, Davisville Road, Easton Road, and Old Welsh Road.[13]
Jefferson Health–Abington operates the Jefferson Health–Willow Grove (formerly Abington Health Center–Willow Grove) health center in Willow Grove. The health center, which was founded in 1983, consists of four buildings and offers outpatient hospital services including healthcare programs, medical and administrative offices, and conference and educational facilities.[23]
The area Catholic school is Queen of Angels Regional Catholic School in Willow Grove and Upper Moreland Township. Queen of Angels was formed in 2012 by the merger of St. David in Willow Grove and Our Lady Help of Christians in Abington.[24]
In the song "Please Don't Tell My Father That I Used His 1996 Honda Accord To Destroy The Town Of Willow Grove, Pennsylvania In 2002", by pop punk band Pet Symmetry, Evan Weiss (also of Into It. Over It.) describes his actions vandalizing Willow Grove as a teenager.
In the American comedy-drama "The Goldbergs", the main cast visits the Willow Grove Park Mall in numerous episodes.