There were 4,644 households, of which 23.1% had children under the age of 18 living with them, 38.5% were married couples living together, 8.9% had a female householder with no husband present, 3.3% had a male householder with no wife present, and 49.4% were non-families. 39.3% of all households were made up of individuals, and 16.9% had someone living alone who was 65 years of age or older. The average household size was 2.09 and the average family size was 2.79.