sentences:  Of the 9,038 households, 32.7% had children under the age of 18 living with them, 54.2% were married couples living together, 11.7% had a female householder with no husband present, 28.3% were non-families, and 23.5% of all households were made up of individuals.The average household size was 2.58 and the average family size was 3.02.The median age was 40.4 years.