The Clerk of the U.S. House of Representatives has now published “Statistics of the Presidential & Congressional Election of November 3, 2020” in booklet form. It is 79 pages. Anyone may receive a free copy by phoning 202-226-5200.
The Clerk has been publishing similar books for 100 years now, every two years.
https://clerk.house.gov/member_info/electionInfo/2020/statistics2020.pdf
PDF
https://clerk.house.gov/Members#ElectionInformation
PLUS OTHER ELECTION STUFF – MAPS, ETC.