sentences:  Of the 32,655 households, 31.4% had children under the age of 18 living with them, 45.7% were married couples living together, 14.7% had a female householder with no husband present, 34.5% were non-families, and 29.8% of all households were made up of individuals.The average household size was 2.41 and the average family size was 2.96.The median age was 39.8 years.