There were 28,586 households, of which 29.9% had children under the age of 18 living with them, 41.2% were married couples living together, 13.1% had a female householder with no husband present, 5.1% had a male householder with no wife present, and 40.7% were non-families. 32.9% of all households were made up of individuals, and 11.1% had someone living alone who was 65 years of age or older. The average household size was 2.29 and the average family size was 2.90.