 19.6% reported being of Dutch ancestry; 14.9% German, 13.1% English, 7.4% Irish, 7.1% Polish and 5.5% American ancestry according to the 2010 American Community Survey.90.0% spoke only English at home, while 6.0% spoke Spanish.There were 212,890 households out of which 35.80% had children under the age of 18 living with them, 52.30% were married couples living together, 11.60% had a female householder with no husband present, and 32.30% were non-families.