sentences:  In terms of ancestry, 25.4% were German, 16.1% were American, 13.2% were Irish, and 10.1% were English.Of the 4,034 households, 33.5% had children under the age of 18 living with them, 54.2% were married couples living together, 10.0% had a female householder with no husband present, 29.4% were non-families, and 24.3% of all households were made up of individuals.The average household size was 2.60 and the average family size was 3.07.