There were 7,458 households, out of which 40.1% had children under the age of 18 living with them, 55.6% were married couples living together, 11.9% had a female householder with no husband present, and 29.4% are classified as non-families by the United States Census Bureau. 24.4% of all households were made up of individuals, and 6.7% had someone living alone who was 65 years of age or older. The average household size was 2.59 and the average family size was 3.11.