There were 5,514 households, of which 30.9% had children under the age of 18 living with them, 47.3% were married couples living together, 7.7% had a female householder with no husband present, 2.9% had a male householder with no wife present, and 42.1% were non-families. 35.5% of all households were made up of individuals, and 8.8% had someone living alone who was 65 years of age or older. The average household size was 2.31 and the average family size was 3.09.