sentences:  Of the 10,379 households, 29.0% had children under the age of 18 living with them, 47.4% were married couples living together, 11.7% had a female householder with no husband present, 36.1% were non-families, and 31.9% of all households were made up of individuals.The average household size was 2.32 and the average family size was 2.89.The median age was 41.7 years.