 16.7% were of American, 16.1% German, 7.2% English and 6.8% Irish ancestry according to Census 2000.There were 9,199 households out of which 32.40% had children under the age of 18 living with them, 56.50% were married couples living together, 11.30% had a female householder with no husband present, and 28.30% were non-families.25.90% of all households were made up of individuals and 14.10% had someone living alone who was 65 years of age or older.