 The population density was 3,655.1 people per square mile (1,406.9/km2).There were 1,904 housing units at an average density of 1,552.7 per square mile (597.7/km2).The racial makeup of the borough was 98.75% White, 0.38% African American, 0.13% Native American, 0.29% Asian, 0.07% Pacific Islander, 0.11% from other races, and 0.27% from two or more races.