per square mile (1,314.5/km²). There were 61,444 housing units at an average density of 1,516.4/sq mi (585.5/km²).  The racial makeup of the city was 88.15%  White , 3.57%  Asian , 1.25%  Black  or  African American , 0.93%  Native American , 0.21%  Pacific Islander , 2.18% from  other races , and 3.72%