This map comes from the Detroit Free Press coverage of the primary battle for mayoral candidates in Detroit. With controversy abounding, Duggan captured significant write-in votes to secure a spot in the primary against Benny Napolean.  Duggan won votes in the wealthiest and poorest Detroit neighborhoods as well as across racial lines, although more Duggan won by wider margins in predominantly white and latino precincts. 

Read more: Breaking down Mike Duggan’s election blowout: Analysis shows surprising patterns