people per square mile (421.1/km²). There were 40,041 housing units at an average density of 422.1/sq mi (163.0/km²). The racial makeup of the city was 67.91% White , 23.23% African American , 0.54% Native American , 2.16% Asian , 0.25% Pacific Islander , 2.61% from other races , and 3.30% from two