 In terms of ancestry, 54.3% were German, 13.7% were Dutch, 11.8% were Norwegian, 8.7% were Irish, 7.2% were English, and 4.9% were American.Of the 1,102 households, 28.3% had children under the age of 18 living with them, 57.5% were married couples living together, 5.4% had a female householder with no husband present, 33.2% were non-families, and 29.9% of all households were made up of individuals.The average household size was 2.37 and the average family size was 2.96.