 Of the 25,587 households, 28.4% had children under the age of 18 living with them, 52.5% were married couples living together, 10.0% had a female householder with no husband present, 33.2% were non-families, and 28.1% of all households were made up of individuals.The average household size was 2.34 and the average family size was 2.84.The median age was 43.0 years.