Of the 17,406 households, 35.2% had children under the age of 18 living with them, 57.2% were married couples living together, 9.9% had a female householder with no husband present, 28.1% were non-families, and 24.1% of all households were made up of individuals. The average household size was 2.66 and the average family size was 3.15. The median age was 38.4 years.
OF the 17,406 householdS, 35.2% had ChIlDReN Under tHe agE OF 18 living WiTh tHeM, 57.2% wEre MarrIeD couPLes LiviNg tOgetHeR, 9.9% hAD A femaLe hoUseholdeR wItH No husband present, 28.1% wEre Non-fAmiLieS, AnD 24.1% of All houSehoLds WEre madE Up Of inDIvIdUAls. thE avERage househoLd sIZE was 2.66 and the aveRaGe famILy SIzE was 3.15. The mediAn age was 38.4 yEars.