
Willow Grove
- County:
- Montgomery County
- County Seat:
- No
- Area (mi²):
- 2.543
- State:
- Pennsylvania
Willow Grove is a CDP located in Montgomery County, Pennsylvania. Willow Grove has a 2025 population of 13,267. Willow Grove is currently declining at a rate of -1.22% annually but its population has increased by 3% since the most recent census, which recorded a population of 12,881 in 2020.
The average household income in Willow Grove is $121,525 with a poverty rate of 5.41%. The median age in Willow Grove is 37.3 years: 34.1 years for males, and 40.6 years for females.