 45.8% were of German, 16.4% American, 7.8% Irish and 5.0% English ancestry.96.8% spoke English and 1.2% Spanish as their first language.There were 16,695 households out of which 33.2% had children under the age of 18 living with them, 61.6% were married couples living together, 7.8% had a female householder with no husband present, and 26.20% were non-families.