sentences:  In terms of ancestry, 32.7% were German, 14.9% were Irish, 10.5% were English, 7.5% were American, and 5.7% were Italian.Of the 108,094 households, 31.4% had children under the age of 18 living with them, 49.3% were married couples living together, 12.2% had a female householder with no husband present, 33.6% were non-families, and 26.8% of all households were made up of individuals.The average household size was 2.46 and the average family size was 2.98.