Source for Popular Vote data: Pennsylvania Department of State Bureau of Commissions, Elections and Legislation. 2016 Presidential Election President of the United States County Breakdown, Pennsylvania Department of State Bureau of Commissions, Elections and Legislation (http://www.electionreturns.pa.gov/ENR_New/General/CountyBreakDownResults?officeId=1&districtId=1&ElectionID=undefined&ElectionType=undefined&IsActive=undefined) (accessed 16 Nov 2016)