 The population density was 9,060.8 people per square mile (3,518.1/km2).There were 2,595 housing units at an average density of 5,059.8 per square mile (1,964.6/km2).The racial makeup of the borough was 98.79% White, 0.22% African American, 0.09% Native American, 0.22% Asian, 0.22% from other races, and 0.47% from two or more races.