In Oakland, the Gay Marriage ban failed in several mostly white high income townships/cities that voted for Bush. - Birmingham(lost 2-1), Bloomfield Hills, Bloomfield Twp, and Southfield Twp.
In also passed in the two most democrat parts of Oakland - Southfield and Pontiac(as well as Auburn Hills which is dem leaning, but more blue collar). Without those two cities, Bush would have won Oakland County by almost 40,000 votes.
And here's another interesting comparison.
Ann Arbor City (White majority)
Prop 2 Yes - 13643
Prop 2 No - 42668
Kerry - 13153
Bush - 45117
Detroit City
Prop 2 Yes - 152641
Prop 2 No - 143342
Bush 19343
Kerry 305258
Ann Arbor did not vote 80% for Bush, I think.