 The population density was 4,616.2 people per square mile (1,786.1/km2).There were 3,495 housing units at an average density of 1,676.8 per square mile (648.8/km2).The racial makeup of the borough was 92.68% White, 0.59% African American, 0.04% Native American, 4.52% Asian, 1.31% from other races, and 0.85% from two or more races.