 In terms of ancestry, 33.6% were German, 15.9% were Irish, 14.7% were English, and 4.9% were American.Of the 1,715 households, 25.7% had children under the age of 18 living with them, 56.2% were married couples living together, 5.8% had a female householder with no husband present, 34.3% were non-families, and 29.0% of all households were made up of individuals.The average household size was 2.28 and the average family size was 2.81.