 In terms of ancestry, 37.1% were English, 10.2% were German, 8.0% were American, and 7.6% were Danish.Of the 2,281 households, 32.4% had children under the age of 18 living with them, 63.3% were married couples living together, 6.3% had a female householder with no husband present, 27.2% were non-families, and 24.0% of all households were made up of individuals.The average household size was 2.61 and the average family size was 3.12.