In 2020 there were 170,922,904 adults between the ages of 25 and 64.
In 2020 there were 72,901,000 children living in households.
There were 51,334
,000 children with two parents, 18,580,000 with a single parent, and 2,986,000 living with other adults.
The US Census classifies people by the following age ranges: 25 to 29 years, 30 to 34 years, 35 to 39 years, 40 to 44 years, 45 to 49 years, 50 to 54 years, 55 to 59 years
and 60 to 64 years.