 The population density was 369.1/km² (955.8/mi²).There were 8,587 housing units at an average density of 141.9/km² (367.4/mi²).The racial makeup of the city was 96.36% White, 0.86% African American, 0.21% Native American, 0.92% Asian, 0.49% from other races, and 1.15% from two or more races.