Mount Gretna is located in Pennsylvania. Mount Gretna, Pennsylvania has a population of 171. Mount Gretna is less family-centric than the surrounding county with 6.25% of the households containing married families with children. The county average for households married with children is 28.25%.
The median household income in Mount Gretna, Pennsylvania is $133,125. The median household income for the surrounding county is $66,164 compared to the national median of $69,021. The median age of people living in Mount Gretna is 65.9 years.
The average high temperature in July is 84.8 degrees, with an average low temperature in January of 20.6 degrees. The average rainfall is approximately 42.8 inches per year, with 24.8 inches of snow per year.
