There were 3,718 households, of which 33.7% had children under the age of 18 living with them, 66.0% were married couples living together, 6.2% had a female householder with no husband present, 2.3% had a male householder with no wife present, and 25.5% were non-families. 23.0% of all households were made up of individuals, and 12.3% had someone living alone who was 65 years of age or older. The average household size was 2.55 and the average family size was 3.02.