Collingdale is located in southeast Pennsylvania. Collingdale is part of Delaware County. Collingdale has 0.87 square miles of land area and has no water area. As of 2010-2014, the total Collingdale population is 8,778, which has grown 1.32% since 2000. The population growth rate is lower than the state average rate of 3.89% and is much lower than the national average rate of 11.61%. Collingdale median household income is $47,281 in 2010-2014 and has grown by 17.59% since 2000. The income growth rate is much lower than the state average rate of 32.44% and is much lower than the national average rate of 27.36%. Collingdale median house value is $122,400 in 2010-2014 and has grown by 75.86% since 2000. The house value growth rate is higher than the state average rate of 70.00% and is much higher than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Collingdale is worse than the state average in quality.