sentences:  The population density was 697.1 people per square mile (269.1/km²).There were 28,321 housing units at an average density of 304.7 per square mile (117.6/km²).The racial makeup of the city was 74.7% White, 18.4% Black, 0.4% Native American, 1.5% Asian, 0.03% Pacific Islander, 1.0% from other races, and 2.0% from two or more races.