About Greencastle, PA
Greencastle is located in Pennsylvania. Greencastle, Pennsylvania has a population of 4,057. Greencastle is less family-centric than the surrounding county with 26% households with children. The county percentage for households with children is 27%.
The median household income in Greencastle, Pennsylvania is $67,786. The median household income for the surrounding county is $64,844 compared to the national median of $66,222. The median age of people living in Greencastle is 40.9 years.
The average high temperature in July is 86.1 degrees, with an average low temperature in January of 20.8 degrees. The annual precipitation is 39.45.
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