population density  was 3,771.9 people per square mile (1,456.4/km 2 ).  According to this census, [54]  the racial composition of the city was 58.9 percent  White  (45.1 percent  Non-Hispanic Whites ), 6.7 percent  Black or African American , 0.6 percent  Native American , 15.9 percent  Asian , 0.5 percent  Pacific Islander