 In terms of ancestry, 21.9% were German, 12.7% were Irish, 10.6% were American, and 9.9% were English.Of the 14,055 households, 30.1% had children under the age of 18 living with them, 50.1% were married couples living together, 10.3% had a female householder with no husband present, 34.5% were non-families, and 29.9% of all households were made up of individuals.The average household size was 2.36 and the average family size was 2.90.