 Of the 8,040 households, 27.5% had children under the age of 18 living with them, 55.3% were married couples living together, 8.3% had a female householder with no husband present, 32.5% were non-families, and 28.2% of all households were made up of individuals.The average household size was 2.35 and the average family size was 2.85.The median age was 44.6 years.