In absolute figures (estimate): 1  4,968,429 young people under 15 years old ( 2,534,785 males / 2,433,645 females) 2  10,495,608 persons between 15 and 64 years old ( 5,175,172 males / 5,320,437 females) 3  1,062,137 persons above 64 years old ( 510,328 males / 551,644 females)
Median income for a one-person household is $27,237 while typical income for a two-person household is $58,121. Median income rises as household size increases, peaking at 4-person households with a median income of $75,343.
Therefore, most reports use the median income. The Census reports average income for three different groups. Income per person is the income for each person age 15 or older. It's more commonly known as income per capita. Family income is average for a family of two or more related people living in a household. They can be related by birth, marriage, or adoption. Household income is the average income of all people living in a housing unit.