 Of the 10,611 households, 38.8% had children under the age of 18 living with them, 67.6% were married couples living together, 4.8% had a female householder with no husband present, 25.7% were non-families, and 10.1% of all households were made up of individuals.The average household size was 3.44 and the average family size was 3.42.The median age was 22.6 years.