sentences:  Of the 8,133 households, 32.8% had children under the age of 18 living with them, 53.6% were married couples living together, 10.4% had a female householder with no husband present, 30.6% were non-families, and 25.6% of all households were made up of individuals.The average household size was 2.58 and the average family size was 3.10.The median age was 39.0 years.