sentences:  Of the 5,282 households, 31.5% had children under the age of 18 living with them, 55.6% were married couples living together, 9.0% had a female householder with no husband present, 29.8% were non-families, and 25.6% of all households were made up of individuals.The average household size was 2.50 and the average family size was 2.97.The median age was 41.7 years.