There were 11,883 households, of which 29.8% had children under the age of 18 living with them, 53.3% were married couples living together, 9.7% had a female householder with no husband present, 4.2% had a male householder with no wife present, and 32.8% were non-families. 27.7% of all households were made up of individuals, and 9.2% 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 3.03.