Worker wages in Montana have been stagnant for decades, said Megan Lawson with the independent research group Headwaters Economics in Bozeman. Income from stocks, real estate and other investments has risen sharply, reflecting the changing — and wealthier — demographic.
“Certainly a large share of it is coming from folks who are moving into this state,” Lawson said. “When you put all this together it helps to explain the story of the political shift.”