 Of the 3,651 households, 39.3% had children under the age of 18 living with them, 58.9% were married couples living together, 5.9% had a female householder with no husband present, 31.3% were non-families, and 21.9% of all households were made up of individuals.The average household size was 2.78 and the average family size was 3.33.The median age was 33.2 years.