http://www.detroitnews.com/story/news/politics/2016/11/04/absentee-ballots/93284370/For those who don't know, both Oakland and Wayne were carried by Obama. But Oakland was much narrower, going 53% - 45%, whereas Wayne went 73% - 26%.
Obama's advantage in Wayne accounted for 382,032 votes, while Oakland accounted for 52,488. This represents nearly the entirety for his margin of victory of 449,313 votes in 2012.
Oakland: total - 645,516 (O:349,002) (R:296,514) 53% - 45%
Wayne: 809,660 (O:595,846) (R:213,814) 73% - 26%
Detroit EV (Wayne) is expected to amount to 65,000 votes. In 2012 they amounted to 81,000 votes. That's a -19.75% decrease. If Wayne county turnout is low then dems might be in trouble.