There were 7,471 households, of which 25.6% had children under the age of 18 living with them, 43.7% were married couples living together, 11.4% had a female householder with no husband present, 3.7% had a male householder with no wife present, and 41.2% were non-families. 33.9% of all households were made up of individuals, and 11.5% had someone living alone who was 65 years of age or older. The average household size was 2.26 and the average family size was 2.90.