The Penn-Delco School District is a midsized, suburban public school district in Delaware County, Pennsylvania, that encompasses the following municipalities: Aston Township, Brookhaven Borough, and Parkside Borough. Penn-Delco School district encompasses approximately 9 square miles. According to 2010 local census data it serves a resident population of 26,455. In 2009, the district residents’ per capita income was $23,035, while the median family income was $61,417. In the Commonwealth, the median family income was $49,501 and the United States' median family income was $49,445, in 2010.