[Teacher317]

The Free Press analyzed the city's finances going back to the 1950s, when its population was 1.1 million more than it is today,

That's a little misleading... one might surmise there are a million left today. In fact, there were 1.15 million in the 1950's, and there are only 55,000 today. Over 95% gone.

[pluvmantelo]

Your population number is way off. The number given for Detroit’s current population is usually around 700,000.