It really do not look good for that once so great city, there is no racism intended in this- but it cant be good when there is 7 African American to every 1 white, to me that sounds like the city slowly is turning into a ghetto and from there there is only one way, it is still unbelievable that GM, Ford and Chrysler, with all those supposedly smart marketing people employed, did not see the trend growing for higher build quality, much smaller and more fuel efficient cars, and started years ago to change their model line up ??
I just found this looking a bit on google for stuff about Detroit, it's really quite depressing.

Detroit house auction flops for urban wasteland

Life in "Progress" City
In a crowded ballroom next to a bankrupt casino, what remains of the Detroit property market was being picked over by speculators and mostly discarded.
After five hours of calling out a drumbeat of "no bid" for properties listed in an auction book as thick as a city phone directory, the energy of the county auctioneer began to flag.
"OK," he said. "We only have 300 more pages to go."
There was tired laughter from investors ready to roll the dice on a city that has become a symbol of the collapse of the U.S. auto industry, pressures on the industrial middle-class and intractable problems for the urban poor.
On the auction block in Detroit: almost 9,000 homes and lots in various states of abandonment and decay from the tidy owner-occupied to the burned-out shell claimed by squatters.
Taken together, the properties seized by tax collectors for arrears and put up for sale last week represented an area the size of New York's Central Park. Total vacant land in Detroit now occupies an area almost the size of Boston, according to a Detroit Free Press estimate.
These auctioned properties were only from one year (2006). Things have only got worse in the housing market since then and the Auto Companies just went bankrupt. I read that last year Detroit had 50,000 to 60,000 abandoned buildings. Wouldn't surprise me if that number is larger now.

Gordon Gekko at the Taxman Blog notes that it wasn't conservative administrations that turned Detroit into a cesspool of humanity. You can make that argument for every big city in decline in middle america.
That argument was made very well in the past by Steven Hayward:
Broken Cities- Liberalism’s urban legacy
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