There were 12,769 households, of which 32.4% had children under the age of 18 living with them, 50.1% were married couples living together, 10.0% had a female householder with no husband present, 4.4% had a male householder with no wife present, and 35.4% were non-families. 29.2% of all households were made up of individuals, and 12.4% had someone living alone who was 65 years of age or older. The average household size was 2.39 and the average family size was 2.96.