 22.1% were of American, 9.7% Irish, 6.7% English, 5.5% German and 5.3% Scotch-Irish ancestry according to Census 2000.There were 10,131 households out of which 31.70% had children under the age of 18 living with them, 52.20% were married couples living together, 15.30% had a female householder with no husband present, and 28.10% were non-families.25.30% of all households were made up of individuals and 11.30% had someone living alone who was 65 years of age or older.