Write an article that answers the following question: How many percent are not households made up of individuals?
In 2000, there were 149,957 households out of which 18.30% had children under the age of 18 living with them, 52.70% were Marriage living together, 7.70% had a female householder with no husband present, and 37.00% were non-families. 30.40% of all households were made up of individuals and 16.90% had someone living alone who was 65 years of age or older. The average household size was 2.13 and the average family size was 2.61.