There were 7,314 households, of which 41.7% had children under the age of 18 living with them, 53.1% were married couples living together, 11.6% had a female householder with no husband present, 4.4% had a male householder with no wife present, and 31.0% were non-families. 25.2% of all households were made up of individuals, and 8.1% had someone living alone who was 65 years of age or older. The average household size was 2.62 and the average family size was 3.16.