There were 4,457 households, of which 36.8% had children under the age of 18 living with them, 47.8% were married couples living together, 13.7% had a female householder with no husband present, 5.0% had a male householder with no wife present, and 33.5% were non-families. 28.3% 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 2.55 and the average family size was 3.12.