There were 30,725 households, of which 20.7% had children under the age of 18 living with them, 29.7% were married couples living together, 10.1% had a female householder with no husband present, 3.6% had a male householder with no wife present, and 56.6% were non-families. 40.5% of all households were made up of individuals, and 11.4% had someone living alone who was 65 years of age or older. The average household size was 2.07 and the average family size was 2.88.