There were 9,134 households, of which 39.6% had children under the age of 18 living with them, 45.9% were married couples living together, 16.4% had a female householder with no husband present, 4.6% had a male householder with no wife present, and 33.1% were non-families. 27.6% of all households were made up of individuals, and 7% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 3.07.