 21.5% were of English ancestry, 20.5% were of German ancestry, 14.4% were of Dutch ancestry, 8.1% were of Irish ancestry and 5.0% were of Polish ancestry according to the 2010 American Community Survey.95.7% spoke English and 3.2% Spanish as their first language.There were 17,599 households out of which 35.20% had children under the age of 18 living with them, 60.20% were married couples living together, 9.00% had a female householder with no husband present, and 26.50% were non-families.