population density is 105.7/km² (273.9/mi²). There are 4,867 housing units at an average density of 50.8/km² (131.7/mi²). The racial makeup of the island is 93.61% White , 0.45% Black or African American , 0.70% Native American , 1.56% Asian , 0.06% Pacific Islander , 0.87% from other races , and 2.75%