Census: Record 42.1 Million Immigrants in US, Mexicans Drive Latest Surge Adan Posted on August 13, 2015 Posted in Aggregated No Comments Tagged with Border Control & Illegal Immigration Growth led by an additional 740,000 Mexican immigrants, according to Center for Immigration Studies. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email