There were 64,691 households, out of which 24.0% had children under the age of 18 living with them, 40.7% were married couples living together, 10.9% had a female householder with no husband present, and 44.8% were non-families. 35.3% of all households were made up of individuals, and 11.6% had someone living alone who was 65 years of age or older. The average household size was 2.17 and the average family size was 2.82. In the city 19.9% were under the age of 18, 17.4% from 18 to 24, 28.0% from 25 to 44, 19.8% from 45 to 64, and 14.9% were 65 years of age or older. The median age was 34 years. For every 100 females, there were 92.9 males. For every 100 females age 18 and over, there were 90.0 males.