sentences:  Of the 11,070 households, 29.7% had children under the age of 18 living with them, 50.3% were married couples living together, 10.6% had a female householder with no husband present, 34.3% were non-families, and 29.2% of all households were made up of individuals.The average household size was 2.34 and the average family size was 2.85.The median age was 39.4 years.