A Bloomberg News analysis of Census data shows that the Chicago Metropolitan Area is losing a higher percentage of its residents than any other Midwest metropolitan area.
The time period was between July 2013 and July 2014.
The loss was 69/100 of one per cent.
The Detroit Metropolitan Area lost less than one-half a one percent of its population.
Here are figures showing what has happened in each Chicago metropolitan county since the 2010 U.S. Census:
This table shows net changes in population by county (click to enlarge):