 The population density was 3,696.5 people per square mile (1,425.7/km2).There were 1,317 housing units at an average density of 1,627.7 per square mile (627.8/km2).The racial makeup of the borough was 99.00% White, 0.64% African American, 0.03% Native American, 0.07% from other races, and 0.27% from two or more races.