All US Cities Which Used to Have More Than 100,000 People But Don’t Anymore

Here’s a map of the 21 US cities that used to have a population of 100,000 people but don’t anymore. Many of these are Rust Belt cities, in which manufacturing employment fell steeply during the latter part of the 20th century. The thread at Reddit mentions Detroit and St. Louis as two other cities whose population has dropped during that same time period. Detroit went from 1.85 million in 1950 to