Collingdale is a borough in Delaware County, Pennsylvania, United States. The population was 8,908 at the 2020 census. The Borough of Collingdale follows a council-manager form of governance. The Borough Council is composed of seven at-large council members, led by council president Ryan Hastings. Other members include Stacey Calhoun, Stephen Za…Collingdale is a borough in Delaware County, Pennsylvania, United States. The population was 8,908 at the 2020 census. The Borough of Collingdale follows a council-manager form of governance. The Borough Council is composed of seven at-large council members, led by council president Ryan Hastings. Other members include Stacey Calhoun, Stephen Zane, Nancy Cotton, David Lee Robinson, Felicia Coffee, and Keisha Williams.