There were 9,071 households, of which 43.1% had children under the age of 18 living with them, 49.6% were married couples living together, 6.5% had a male householder with no wife present, 13.9% had a female householder with no husband present, and 29.9% were non-families. 24.0% of all households were made up of individuals, and 19.3% had someone living alone who was 65 years of age or older. The average household size was 2.88, and the average family size was 3.45.