sentences:  Of the 41,361 households, 30.2% had children under the age of 18 living with them, 43.9% were married couples living together, 13.1% had a female householder with no husband present, 38.1% were non-families, and 30.6% of all households were made up of individuals.The average household size was 2.38 and the average family size was 2.95.The median age was 36.1 years.