The process must be complete by Nov. 17 when county boards have to send totals to the Secretary of State. On Dec. 14, Michigan’s 16 electors meet to vote for the candidates their names represented on the ballot. How Detroit suburbs voted in 2020 presidential electionWe’re taking a closer look at how Metro Detroit voted for president in the Nov. 3 General Election. Detroit’s election turnout was 49.56% -- 250,138 total votes out of 504,714 registered voters. In Oakland County, Biden won with 56.36% of the vote -- 433,982 total votes for the Democrat.