 Of the 6,548 households, 30.7% had children under the age of 18 living with them, 54.8% were married couples living together, 10.9% had a female householder with no husband present, 29.1% were non-families, and 24.2% of all households were made up of individuals.The average household size was 2.46 and the average family size was 2.89.The median age was 41.5 years.