Out of curiousity, I did a bing search on "Infamous Zip Code"...
53206 came up. That Zip Code is an area of Milwaukee on the west side of I-43 surrounding the Union Cemetery. Some have called it the "most incarcerated Zip Code", and the there have been arguments about the way in which "most-incarcerated" was measured. The area was the subject for a 2015 documentary
Milwaukee 53206,
The homicide rate reportedly was 250 per 100,000
Marc V. Levine wrote a paper (linked below) about conditions in the neighborhood 2000-2017, including:
Males age 25 - 54 employed 49.7%
employed full-time 46%
The median annual earnings of all workers $18,541.
Between 2000 - 2017 the inflation-adjusted median household income dropped by 25%.
62% of renter households paid over 35% of their incomes on rent.
http://uwm.edu/ced/milwaukee-53206-t...d-disadvantage