 Of the 25,538 households, 23.0% had children under the age of 18 living with them, 35.5% were married couples living together, 10.2% had a female householder with no husband present, 50.6% were non-families, and 35.1% of all households were made up of individuals.The average household size was 2.20 and the average family size was 2.87.The median age was 29.1 years.