As of the census of 2010, there were 520,116 people, 229,762 households, and 112,455 families residing in the city. The population density was 2,500.1 inhabitants per square mile (965.3/km). There were 209,609 housing units at an average density of 1,076.7 per square mile (415.7/km). The racial makeup of the city was 69.7% White (down from 94.8% in 1970), 5.0% Black or African-American, 2.7% Native American, 2.9% Asian, 0.2% Pacific Islander, 16.9% from other races, and 3.8% from two or more races. Hispanic or Latino of any race were 41.6% of the population. Non-Hispanic Whites were 47.2% of the population in 2010, down from 72.8% in 1970.

How many more percentages of the racial makeup of the city were white in 1970 compared to 2010?
A: 25.1

There were 412 households of which 33.7% had children under the age of 18 living with them, 54.6% were married couples living together, 10.4% had a female householder with no husband present, 6.1% had a male householder with no wife present, and 28.9% were non-families. 25.7% of all households were made up of individuals and 12.6% had someone living alone who was 65 years of age or older. The average household size was 2.55 and the average family size was 3.02.The median age in the village was 40.9 years. 26% of residents were under the age of 18; 8.3% were between the ages of 18 and 24; 21.4% were from 25 to 44; 28.7% were from 45 to 64; and 15.6% were 65 years of age or older. The gender makeup of the village was 48.9% male and 51.1% female.

Which was smaller, the average household size or the average family size?
A: average household size

There were 810,388 households out of which 28.61% had children under the age of 18 living with them, 42.80% were Marriage living together, 15.28% had a female householder with no husband present, and 36.67% were non-families. 28.79% of all households were made up of individuals and 11.07% (3.31% male and 7.76% female) had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 3.14.

Which group for households is smaller: non-families or Marriage living together?
A:
non-families