Source for Popular Vote data: Pennsylvania Department of State Bureau of Commissions, Elections and Legislation. 2016 Presidential Primary Tuesday, April 26, 2016 Official Returns - President of the United States - Statewide, Pennsylvania Department of State Bureau of Commissions, Elections and Legislation (http://www.electionreturns.state.pa.us/ENR_New/Home/CountyBreakDownResults?officeId=1&districtId=1&ElectionID=undefined&ElectionType=undefined&IsActive=undefined) (accessed 29 May 2016)