-- but in a city where four of five residents are African-American and no Caucasian has held the city 's highest office in almost four decades , the headline is that Duggan is white . The last white mayor of Detroit was Roman Gribbs , who served from last year . The mayor-elect tells a newspaper his first priority will be cutting police response times . FBI says there were 15,011 violent crimes , 15,011 homicides in Detroit 1970 to 1974 . Detroit is run by an emergency manager , whom governor appointed until 1970 to 1974 .
The last white mayor of Detroit was Roman Gribbs , who served from last year . The mayor-elect tells a newspaper his first priority will be cutting police response times . FBI says there were 15,011 violent crimes , 15,011 homicides in Detroit 1970 to 1974 . Detroit is run by an emergency manager , whom governor appointed until 1970 to 1974 .