 There were 31,223 households out of which 37.0% had children under the age of 18 living with them, 58.6% were married couples living together, 11.1% had a female householder with no husband present, and 25.4% were non-families.19.9% of all households were made up of individuals and 7.1% had someone living alone who was 65 years of age or older.The average household size was 2.71 and the average family size was 3.12.