About This Place
Collingdale is a borough in Delaware County, Pennsylvania, United States. The population was 8,664, at the 2000 census, 502 above the 1940 count of 8,162.
Collingdale is located at 39°54′50″N 75°16′43″W / 39.91389°N 75.27861°W / 39.91389; -75.27861 (39.913889, -75.278647).
According to the United States Census Bureau, the borough has a total area of 0.9 square miles (2.3 km²), all of it land.