As of 2010, there were 29,825 households, out of which 19.8% were vacant. In 2000, 26.6% had children under the age of 18 living with them, 55.8% were married couples living together, 8.4% had a female householder with no husband present, and 32.7% were non-families. 25.8% of all households were made up of individuals, and 10.4% had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 3.15