 Those of Hispanic or Latino origin made up 2.0% of the population.In terms of ancestry, 50.4% were German, 25.4% were Norwegian, 8.0% were Irish, 6.6% were Dutch, 5.5% were English, and 2.9% were American.Of the 1,819 households, 28.2% had children under the age of 18 living with them, 58.6% were married couples living together, 5.0% had a female householder with no husband present, 32.5% were non-families, and 29.1% of all households were made up of individuals.