Having lived nowhere but Maryland for all of my life, I can vouch for the fact that Maryland has zero in common with the south.
Potential electorate by region from Marist...
What would this mean for the CDs? Or is it such a gerrymandered mess that it is hard to project?
It's horrible. We're one of the most gerrymandered states.
So something happened after 150 years that turned Maryland from a Southern state into a non-Southern one...
Yes, the nature of the state, its people, and its culture fundamentally changed.
http://fivethirtyeight.com/datalab/which-states-are-in-the-south/"Also, Maryland — well and truly — is not a Southern state, according to actual Southerners. It pulled a pathetic 6 percent of the vote. That’s worse than Arizona and New Mexico. Walter White is more Southern than a Marylander.