There were 7,436 households, of which 41.2% had children under the age of 18 living with them, 51.3% were married couples living together, 13.5% had a female householder with no husband present, 5.3% had a male householder with no wife present, and 29.9% were non-families. 24.4% of all households were made up of individuals, and 7.9% 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 3.12.