Gulph Mills is located in Pennsylvania. Gulph Mills, Pennsylvania has a population of 3,992.
The median household income in Gulph Mills, Pennsylvania is $81,814. The median household income for the surrounding county is $84,791 compared to the national median of $57,652. The median age of people living in Gulph Mills is 31.9 years.
The average high temperature in July is 88.2 degrees, with an average low temperature in January of 22.1 degrees. The average rainfall is approximately 46.7 inches per year, with 11.6 inches of snow per year.