Source for Popular Vote data: Illinois State Board of Elections. Official Canvass General Election November 3, 2020 President and Vice President of the United States, Illinois State Board of Elections (https://elections.il.gov/DocDisplay.aspx?doc=Downloads/ElectionOperations/VoteTotals/2020/ByCounty/2020GEOfficialVote.pdf) (accessed 11 Dec 2020)
Election Notes:
Official write-ins vote: 127 for ten candidates. Additional write-ins collected from official individual county election reports (incomplete tally).