 The population density was 1,557.8 people per square mile (601.1/km²).There were 5,339 housing units at an average density of 414.7 per square mile (160.0/km²).The racial makeup of the city was 95.1% White, 0.7% African American, 0.3% Native American, 0.9% Asian, 0.3% Pacific Islander, 1.0% from other races, and 1.6% from two or more races.