there were 14,984 households of which 45.1% had children under the age of 18 living with them, 69.5% were married couples living together, 5.9% had a female householder with no husband present, 2.4% had a male householder with no wife present, and 22.2% were non-families. 18.4% of all households were made up of individuals and 5.4% had someone living alone who was 65 years of age or older. the average household size was 2.78 and the average family size was 3.21.