 27.9% were of American, 11.8% English, 11.6% Irish, 10.3% German and 5.0% Scotch-Irish ancestry according to Census 2000.There were 41,306 households out of which 31.20% had children under the age of 18 living with them, 55.60% were married couples living together, 9.40% had a female householder with no husband present, and 31.10% were non-families.23.30% of all households were made up of individuals and 8.20% had someone living alone who was 65 years of age or older.