Write an article that answers the following question: How many more households are there than families?
As of the 2010 United States Census, there were 1,951,269 people, 715,365 households, and 467,916 families residing in the county. The population density was . There were 840,343 housing units at an average density of . The racial makeup of the county was 60.9% white, 10.5% black or African American, 8.7% Asian, 0.7% Pacific islander, 0.7% American Indian, 13.5% from other races, and 5.1% from two or more races. Those of Hispanic or Latino origin made up 29.1% of the population. In terms of ancestry, 11.7% were Germans, 9.1% were Irish people, 7.6% were English people, 6.3% were Italians, and 2.7% were Americans.