Mount Gretna is located in Pennsylvania. Mount Gretna, Pennsylvania has a population of 205. Mount Gretna is less family-centric than the surrounding county with 6% households with children. The county percentage for households with children is 26%.
The median household income in Mount Gretna, Pennsylvania is $77,262. The median household income for the surrounding county is $61,612 compared to the national median of $66,222. The median age of people living in Mount Gretna is 67.7 years.
The average high temperature in July is 83.2 degrees, with an average low temperature in January of 19.1 degrees. The annual precipitation is 43.69.