 Of the 109,246 households, 34.3% had children under the age of 18 living with them, 48.9% were married couples living together, 15.1% had a female householder with no husband present, 31.0% were non-families, and 26.2% of all households were made up of individuals.The average household size was 2.53 and the average family size was 3.05.The median age was 38.0 years.