 As of the census of 2000, there were 175,957 people, 67,896 households, and 48,946 families residing within the region.The racial makeup of the region was 75.87% White, 4.54% African American, 13.20% Native American, 0.22% Asian, 0.03% Pacific Islander, 0.97% from other races, and 5.17% from two or more races.Hispanic or Latino of any race were 2.63% of the population.