As of the census of 2000, there were 6,149 people, 2,575 households, and 1,645 families residing in the borough. The population density was 4,789.9 people per square mile (1,854.8/km2). There were 2,729 housing units at an average density of 2,125.8 per square mile (823.2/km2). The racial makeup of the borough was 97.12% White, 0.60% African American, 0.24% Native American, 0.41% Asian, 0.05% Pacific Islander, 0.33% from other races, and 1.25% from two or more races. Hispanic or Latino of any race were 0.91% of the population.