There were 8,816 households, of which 41.9% had children under the age of 18 living with them, 54.6% were married couples living together, 11.1% had a female householder with no husband present, 4.5% had a male householder with no wife present, and 29.8% were non-families. 23.9% of all households were made up of individuals, and 6% had someone living alone who was 65 years of age or older. The average household size was 2.68 and the average family size was 3.22.