sentences:  In terms of ancestry, 25.3% were German, 15.5% were Irish, 12.0% were Polish, 8.5% were English, and 4.5% were American.Of the 103,069 households, 32.2% had children under the age of 18 living with them, 46.1% were married couples living together, 13.6% had a female householder with no husband present, 35.6% were non-families, and 29.1% of all households were made up of individuals.The average household size was 2.48 and the average family size was 3.07.