There were 4,736 households, of which 44.5% had children under the age of 18 living with them, 62.9% were married couples living together, 7.4% had a female householder with no husband present, 4.9% had a male householder with no wife present, and 24.8% were non-families. 17.9% of all households were made up of individuals, and 2.8% had someone living alone who was 65 years of age or older. The average household size was 2.86 and the average family size was 3.29.