There were 30,079 households, of which 31.9% had children under the age of 18 living with them, 45.1% were married couples living together, 13.1% had a female householder with no husband present, 5.3% had a male householder with no wife present, and 36.6% were non-families. 28.9% of all households were made up of individuals, and 12.4% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.98.