Monkey Cage explores the post-industrial landscape of the Heartland. Not surprising to those who live here, the political story is mixed (and for the cities, more Democratic).
Clinton lost crucial Midwestern swing states in large part because of a significant collapse of Democratic support outside of major city centers.
Author Jonathan Rodden goes on to conclude
One of the clearest lessons from 2016 is that the Democrats cannot win the crucial swing states just by running up the score in the biggest cities. They will need to reinvest in understanding the heterogeneous areas beyond the city limits.