There were 5,000 households, of which 18.3% had children under the age of 18 living with them, 31.0% were married couples living together, 8.6% had a female householder with no husband present, 3.0% had a male householder with no wife present, and 57.4% were non-families. 46.8% of all households were made up of individuals, and 10% had someone living alone who was 65 years of age or older. The average household size was 1.86 and the average family size was 2.69.