The median household income was $40,938 and the median family income was $48,516.
Of the 18,126 households, 28.5% had children under the age of 18 living with them, 51.3% were married couples living together, 9.9% had a female householder with no husband present, 33.7% were non-families, and 26.1% of all households were made up of individuals.