There were 33,559 households, of which 29.1% had children under the age of 18 living with them, 50.7% were married couples living together, 9.9% had a female householder with no husband present, 3.2% had a male householder with no wife present, and 36.2% were non-families. 31.5% of all households were made up of individuals, and 12% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 3.00.