sentences:  Of the 29,860 households, 34.6% had children under the age of 18 living with them, 54.1% were married couples living together, 10.7% had a female householder with no husband present, 30.4% were non-families, and 25.3% of all households were made up of individuals.The average household size was 2.53 and the average family size was 3.02.The median age was 38.2 years.