 The population density was 5,709.2 people per square mile (2,200.3/km²).There were 6,272 housing units at an average density of 2,493.4 per square mile (961.0/km²).The racial makeup of the city was 97.85% White, 0.75% African American, 0.05% Native American, 0.61% Asian, 0.03% from other races, and 0.71% from two or more races.