 The state's Native American population grew by 27.9% between 1980 and 1990 (at a time when Montana's entire population rose 1.6%), and by 18.5 percent between 2000 and 2010.As of 2009, almost two-thirds of Native Americans in the state live in urban areas.Of Montana's 20 largest cities, Polson (15.7%), Havre (13.0%), Great Falls (5.0%), Billings (4.4%), and Anaconda (3.1%) had the greatest percentages of Native American residents in 2010.