 14.6% were of German, 10.6% Irish, 10.0% English and 9.5% Norwegian ancestry.95.3% spoke English and 2.6% Spanish as their first language.There were 2,845 households out of which 30.9% had children under the age of 18 living with them, 48.6% were married couples living together, 10.9% had a female householder with no husband present, and 37.7% were non-families.