The National Journal describes it as an "embarrassment of riches".
First of all, there was a big shift in Congressional states from "blue" to "red" states. Texas is the huge winner, picking up 4 seats. NY and Pennsylvania both lost seats. California failed to gain any seats for the first time.
Other red states picking up seats, according to Washington Post's Aaron Blake: FL +2, AZ, GA, SC, UT, WA, NV +1.
Will state and local politicians learn the lesson?: Enact enough job-killing policies and your clout in national politics will fall, drip by drip, decade by decade.
People go where the jobs are.
Businesses offer jobs where they are not taxed, regulated, burdened and penalized every time they make a move.