there were 4,183 households of which 30.8% had children under the age of 18 living with them, 56.5% were married couples living together, 11.3% had a female householder with no husband present, 4.7% had a male householder with no wife present, and 27.5% were non-families. 22.9% of all households were made up of individuals and 10.1% had someone living alone who was 65 years of age or older. the average household size was 2.50 and the average family size was 2.91.