About Erwinna, PA
Erwinna is located in Pennsylvania. Erwinna, Pennsylvania has a population of 336. Erwinna is less family-centric than the surrounding county with 18% households with children. The county percentage for households with children is 29%.
The median household income in Erwinna, Pennsylvania is $74,947. The median household income for the surrounding county is $86,196 compared to the national median of $61,963. The median age of people living in Erwinna is 55.3 years.
The average high temperature in July is 84.5 degrees, with an average low temperature in January of 20 degrees. The annual precipitation is 49.75.
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