Mount Gretna is located in Pennsylvania. Mount Gretna, Pennsylvania 17064 has population of 312. Mount Gretna 17064 is less family-centric than the surrounding county with 10% of the households with children.
The median household income in Mount Gretna, Pennsylvania 17064 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 17064 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.
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