Pew Hispanic Center study : one in 4 `` illegal '' immigrant children are Mexico City citizens . about 10 percent of illegal immigrant children live in One-third -parent homes , study finds . One-third of children of illegal immigrants in U.S. live in poverty , study finds . `` It 's really , really hard to leave your family , '' says One-third child separated from mom .
Pew Hispanic Center study : 3 in 4 `` illegal '' immigrant children are U.S. citizens . 80 percent of illegal immigrant children live in two-parent homes , study finds . One-third of children of illegal immigrants in U.S. live in poverty , study finds . `` It 's really , really hard to leave your family , '' says one child separated from mom .