 Of the 7,967 households 31.40% had children under the age of 18 living with them, 56.70% were married couples living together, 11.50% had a female householder with no husband present, and 28.00% were non-families.25.40% of households were one person and 12.10% were one person aged 65 or older.The average household size was 2.51 and the average family size was 2.99.