There were 61,707 households, of which 31.9% had children under the age of 18 living with them, 45.5% were married couples living together, 10.9% had a female householder with no husband present, 4.4% had a male householder with no wife present, and 39.3% were non-families. 30.6% of all households were made up of individuals, and 8.7% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 3.02.