 The population density was 1,588.1 people per square mile (613.6/km2).There were 3,043 housing units at an average density of 655.4 per square mile (253.2/km2).The racial makeup of the city was 97.27% White, 1.29% Asian, 0.45% African American, 0.04% Native American, 0.04% Pacific Islander, 0.33% from other races, and 0.58% from two or more races.