7.5 million
people of all ages were included in Pew's 2020 estimate of the U.S. Jewish population.
That estimate includes about 5.8 million adults and 1.8 million children. Pew cautions that totals vary with the definition of Jewishness and should not be read as an exact count.
Source: Pew Research Center, Jewish Americans in 2020, May 11, 2021