There were 5,743 households, of which 20.1% had children under the age of 18 living with them, 30.9% were married couples living together, 8.4% had a female householder with no husband present, 3.4% had a male householder with no wife present, and 57.3% were non-families. 36.1% of all households were made up of individuals, and 12.7% had someone living alone who was 65 years of age or older. The average household size was 2.26 and the average family size was 2.87.