Sharon Hill is a borough in Delaware County, Pennsylvania, United States. The population was 5,697 at the 2010 census. Currently the population stands at 6,356 residents. The government of Sharon Hill operates under the Pennsylvania State Borough Code. The day-to-day operations of the borough are exercised through the borough manager, Ieasa Nichols. …Sharon Hill is a borough in Delaware County, Pennsylvania, United States. The population was 5,697 at the 2010 census. Currently the population stands at 6,356 residents. The government of Sharon Hill operates under the Pennsylvania State Borough Code. The day-to-day operations of the borough are exercised through the borough manager, Ieasa Nichols. The mayor is Hykeem Green. The borough has seven councilmembers.