There were 21,980 households out of which 32.80 % had children under the age of 18 living with them , 61.20 % were married couples living together , 9.90 % had a female householder with no husband present , and 24.80 % were not related . There were 21,980 households out of which 32.80 % had children under the age of 18 living with them , 61.20 % were married couples living together , 9.90 % had a female householder with no husband present , and 24.80 % were non-families .