sentences:  The population density was 919.3 people per square mile (58.07 mi2).There were 20,043 housing units at an average density of 512.2 per square mile (197.8/km2).The racial makeup of the city was 75.1% White, 16.5% Black or African American, 0.3% Native American, 5.3% Asian, 0.00% Pacific Islander, 1.10% from other races, and 1.6% from two or more races.