There were 7,385 households, of which 37.4% had children under the age of 18 living with them, 50.1% were married couples living together, 11.0% had a female householder with no husband present, 4.9% had a male householder with no wife present, and 34.0% were non-families. 27.0% 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 2.71 and the average family size was 3.31.