About Andalusia, PAAndalusia is located in Pennsylvania. Andalusia, Pennsylvania has a population of27,788. The median household income in Andalusia, Pennsylvania is $62,922. The median household income for the surrounding county is $80,578 compared to the national median of $57,525. The median age of people living in Andalusia is 41.3 years. Andalusia WeatherThe average high temperature in July is 86.9 degrees, with an average low temperature in January of 18.9 degrees. The annual precipitation is 50.24. Andalusia MapAndalusia real estate offices
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