There were 13,476 households, of which 32.9% had children under the age of 18 living with them, 51.4% were married couples living together, 11.4% had a female householder with no husband present, 4.3% had a male householder with no wife present, and 32.9% were non-families. 26.2% 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 2.50 and the average family size was 3.04.