 Of the 75,696 households in 2010, 36.9% had children under the age of 18 living with them, 52.0% were headed by married couples living together, 16.1% had a female householder with no husband present, and 25.7% were not families.About 20.8% of all households were made up of individuals, and 6.5% had someone living alone who was 65 years of age or older.The average household size was 2.99, and the average family size was 3.48.