sentences:  In terms of ancestry, 31.8% were German, 19.1% were Irish, 11.4% were English, and 5.4% were American.Of the 1,829 households, 23.9% had children under the age of 18 living with them, 53.9% were married couples living together, 7.8% had a female householder with no husband present, 33.9% were non-families, and 29.8% of all households were made up of individuals.The average household size was 2.23 and the average family size was 2.72.