Source for Popular Vote data: Pennsylvania Department of State. Bureau of Commissions, Elections and Legislation. 2018 General Election Tuesday, November 6, 2018 Official Results, Pennsylvania Department of State. Bureau of Commissions, Elections and Legislation (https://electionreturns.pa.gov/General/CountyBreakDownResults?officeId=3&districtId=1&ElectionID=undefined&ElectionType=undefined&IsActive=undefined) (accessed 13 Dec 2018)