Peoples Republik of Bloomington.
You nailed it, I grew up there, it was very liberal, now they seem to want to be the top liberal town in the country, surpassing Berkeley, Madistan, and Cambridge, MA.
The influence of IU is the main reason for this, most of the people who lived out in the county tended to be more conservative.
In this election Monroe and Marion (Bloomington and Indianapolis) counties were the only blue surrounded by an ocean of red voting for Trump.