There were 5,555 households, of which 31.0% had children under the age of 18 living with them, 50.6% were married couples living together, 12.0% had a female householder with no husband present, 3.8% had a male householder with no wife present, and 33.6% were non-families. 29.4% of all households were made up of individuals, and 12.6% had someone living alone who was 65 years of age or older. The average household size was 2.37 and the average family size was 2.93.