There were 12,366 households, of which 26.8% had children under the age of 18 living with them, 43.2% were married couples living together, 10.8% had a female householder with no husband present, 4.3% had a male householder with no wife present, and 41.7% were non-families. Of all households, 35.0% were made up of individuals, and 13.4% had someone living alone who was 65 years of age or older. The average household size was 2.20 and the average family size was 2.83.