Garnet Valley is located in Pennsylvania. Garnet Valley, Pennsylvania has a population of 12,535. Garnet Valley is more family-centric than the surrounding county with 34% households with children. The county percentage for households with children is 29%.
The median household income in Garnet Valley, Pennsylvania is $133,134. The median household income for the surrounding county is $77,693 compared to the national median of $66,222. The median age of people living in Garnet Valley is 46.6 years.
The average high temperature in July is 87.5 degrees, with an average low temperature in January of 27.9 degrees. The annual precipitation is 43.76.