
Horsham
- County:
- Montgomery County
- County Seat:
- No
- Area (mi²):
- 5.47
- State:
- Pennsylvania
Horsham is a CDP located in Montgomery County, Pennsylvania. Horsham has a 2025 population of 15,893. Horsham is currently growing at a rate of 0.44% annually and its population has increased by 0.18% since the most recent census, which recorded a population of 15,864 in 2020.
The average household income in Horsham is $129,004 with a poverty rate of 3.7%. The median age in Horsham is 37.2 years: 36.9 years for males, and 37.5 years for females.