 In terms of ancestry,

Of the 15,489 households, 28.4% had children under the age of 18 living with them, 48.5% were married couples living together, 8.1% had a female householder with no husband present, 39.5% were non-families, and 33.0% of all households were made up of individuals.The average household size was 2.27 and the average family size was 2.89.The median age was 38.6 years.