There were 4,577 households, of which 35.6% had children under the age of 18 living with them, 42.4% were married couples living together, 17.1% had a female householder with no husband present, 7.5% had a male householder with no wife present, and 33.0% were non-families. 26.5% of all households were made up of individuals, and 8.3% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.28.