As of the 2010 United States Census, there were 251,133 people, 97,220 households, and 65,820 families residing in the county [REF].
Of the 97,220 households, 31.7% had children under the age of 18 living with them, 53.2% were married couples living together, 10.2% had a female householder with no husband present, 32.3% were non-families, and 25.2% of all households were made up of individuals.