Willow Grove, Pennsylvania

Willow Grove
Census-designated place
North York Road in downtown Willow Grove
Nickname:  The Grove
Willow Grove Show map of Pennsylvania Willow Grove Show map of the United States
Coordinates: 40°08′38″N 75°06′57″W / 40.14389°N 75.11583°W / 40.14389; -75.11583
Country	United States
State	Pennsylvania
County	Montgomery
Township	Abington, Upper Dublin, Upper Moreland
Area
• Total	3.6 sq mi (9 km2)
• Land	3.6 sq mi (9 km2)
• Water	0.0 sq mi (0 km2)
Elevation	269 ft (82 m)
Population  (2010)[1]
• Total	15,726
• Density	4,400/sq mi (1,700/km2)
Time zone	UTC-5 (Eastern (EST))
• Summer (DST)	UTC-4 (EDT)
ZIP Code	19090
Area code(s)	215, 267, and 445
GNIS feature ID	1193673[2]

Willow Grove is a census-designated place (CDP) in Montgomery County, Pennsylvania, United States. A community in Philadelphia's northern suburbs, the population was 13,730 at the 2020 census. It is located in Upper Dublin Township, Abington Township and Upper Moreland Township. Willow Grove was once known for Willow Grove Park, an amusement park that was open from 1896 to 1976, now the site of Willow Grove Park Mall. Willow Grove is considered an edge city of Philadelphia, with large amounts of retail and office space.^[3]

Naval Air Station Joint Reserve Base Willow Grove was located northwest of the Willow Grove CDP in Horsham Township.^[4] NAS JRB Willow Grove transitioned into Horsham Air National Guard Station in September 2011. ^{[citation needed]}

Willow Grove is located 37 miles (60 km) southeast of Allentown and 13 miles (21 km) north of Philadelphia.