There were 3,818 households, of which 44.9% had children under the age of 18 living with them, 68.4% were married couples living together, 8.2% had a female householder with no husband present, 2.2% had a male householder with no wife present, and 21.2% were non-families. 17.9% of all households were made up of individuals, and 6.7% had someone living alone who was 65 years of age or older. The average household size was 2.80 and the average family size was 3.21.