There were 13,642 households, of which 30.5% had children under the age of 18 living with them, 58.3% were married couples living together, 6.8% had a female householder with no husband present, 3.5% had a male householder with no wife present, and 31.5% were non-families. 26.4% of all households were made up of individuals, and 10.7% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.99.