 Of the 6,797 households, 32.7% had children under the age of 18 living with them, 37.5% were married couples living together, 24.0% had a female householder with no husband present, 32.8% were non-families, and 29.3% of households were made up of individuals.The average household size was 2.54 and the average family size was 3.15.The median age was 38.9 years.