U.S. Children Statistics


The population of children—people under 18 years old—form an important topic in the American Community Survey, conducted each year by the U.S. Census Bureau. Unlike the Census—which is an exact count of people and households every ten years—ACS statistics are estimated based on a representative survey sample.

The data in this story shows population counts of children, broken up by various characteristics. 

Number of people under 18 in the United States:


—ACS 1-year estimate, 2016

How many U.S. children live in different types of families?

How are U.S. children related to their household's head?

Among householders' own children, the population is divided as follows:

How many children live in households that receive public assistance?

Public assistance income includes various forms of public welfare.

How many U.S. children live in group quarters?

Group quarters are living arrangements distinct from normal households. They include group homes, correctional facilities, military barracks, and college dormitories. People living in group quarters are usually not related.