Brooklyn's "roommate belt" has been widened to include Kensington - hardly breaking news, but its interesting that someone has thought of it as a way to track gentrification. Via the Atlantic Yards Report:
The "Roommate Belt"
Thus, Dasgupta described what she called "Brooklyn's Roommate Belt," zones of Brooklyn--originally neighborhoods like Park Slope and Fort Greene, now extended to Kensington, Prospect Heights and Bedford-Stuyvesant--which contain large numbers of unrelated young adults sharing apartments.
While they work in relatively low-wage jobs, their collective income is higher than working-class neighbors, and thus their presence shapes gentrification, making apartments less affordable for long-term families and driving retail that speaks to their needs more than anything.