There were 6,497 households, out of which 27.1% had children under the age of 18 living with them, 46.3% were married couples living together, 11.6% had a female householder with no husband present, and 38.0% were non-families. The percentage of male householders with no wife present was unknown. 30.7% of all households were made up of individuals, and 12.9% had someone living alone who was 65 years of age or older. The average household size was 2.29, and the average family size was 2.83.