were 22,661 housing units at an average density of 331.2 per square mile (127.9 /km 2 ). The racial makeup of the city was 67.03% (40,703) White , 14.16% (8,600) African American , 0.67% (406) Native American , 1.71% (1,036) Asian , 0.04% (24) Pacific Islander , 12.91% (7,841) from other races