 The population density was 2,561.3 per square mile (989.3/km²).There were 4,594 housing units at an average density of 1,338.8 per square mile (517.1/km²).The racial makeup of the city was 90.31% White, 5.11% African American, 0.41% Native American, 2.39% Asian, 0.02% Pacific Islander, 0.46% from other races, and 1.31% from two or more races.