population density was 985.5/km² (2,552.1/mi²). There were 8,709 housing units at an average density of 687.6/km² (1,780.6/mi²). The racial makeup of the city was 96.64% White , 0.62% African American , 0.22% Native American , 1.07% Asian , 0.06% Pacific Islander , 0.30% from other races , and 1.08% from two