There were 11,136 households, of which 26.4% had children under the age of 18 living with them, 54.1% were married couples living together, 8.5% had a female householder with no husband present, 3.9% had a male householder with no wife present, and 33.6% were non-families. 29.2% of all households were made up of individuals, and 14.3% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 2.86.