 1.47% of the population were Hispanic or Latino of any race.47.3% were of German, 12.9% Norwegian, 12.5% Dutch and 5.1% Swedish ancestry.There were 3,722 households out of which 29.00% had children under the age of 18 living with them, 62.50% were married couples living together, 4.60% had a female householder with no husband present, and 30.10% were non-families.