population density was 366.9/km² (950.2/mi²). There were 6,501 housing units at an average density of 150.8/km² (390.6/mi²). The racial makeup of the city was 93.78% White , 0.83% African American , 0.18% Native American , 3.35% Asian , 0.01% Pacific Islander , 0.41% from other races , and 1.42% from two