 21.8% were of German, 12.0% English, 11.0% American, 10.6% Irish and 8.4% Polish ancestry.97.3% spoke English and 1.1% Spanish as their first language.There were 10,400 households out of which 31.80% had children under the age of 18 living with them, 58.40% were married couples living together, 8.10% had a female householder with no husband present, and 29.80% were non-families.