There were 8,638 households, out of which 37.6% had children under the age of 18 living with them, 26.5% had individuals over the age of 65, 58.2% were married couples living together, 12.2% had a female householder with no husband present, and 24.4% were non-families. 19.3% of all households were made up of individuals, and 8.1% had someone living alone who was 65 years of age or older. The average household size was 2.92 and the average family size was 3.35.