It's poor for a reason. Not because there's nothing here (plentiful oil and gas resources, decent timber in certain areas, and some unique attractions), it's that the powers that be are all democrat, and democrats are the party of the poor, because that's how they want you.
Former home of Janet Napolitano, yes?
There are demographic issues there as well I understand.
I’ve never been there, so it’s just internet reading.
I could be completely incorrect...