 In terms of ancestry, 26.3% were German, 18.0% were English, 14.6% were Irish, and 4.9% were American.Of the 1,748 households, 22.3% had children under the age of 18 living with them, 58.6% were married couples living together, 5.8% had a female householder with no husband present, 32.2% were non-families, and 26.8% of all households were made up of individuals.The average household size was 2.26 and the average family size was 2.70.