San Francisco has become polarizing over the past decade(+,) though SOMA used to be pretty much a shanty town in the 80s: http://ww2.hdnux.com/photos/42/55/37/9099221/3/rawImage.jpg

"Mayor Dianne Feinstein leads a group on a tour of Shantytown at Seventh and Berry streets in 1986. The group includes her press secretary Tom Eastham (left), Public Health Director David Werdegar and Thomas Dalton, “mayor of Shantytown.”

One more: https://www.wired.com/2015/01/janet-delaney-south-of-market/