7 Cities with Most Illegal Immigrants in the US

6. Houston

Illegal Immigrants: 413,316

Approximately 413,316 immigrants in Houston are believed to be undocumented. Out of this total, 196,000 immigrants qualify for either the Deferred Action for Childhood Arrivals (DACA) program or the Deferred Action for Parents of Americans and Lawful Permanent Residents (DAPA) program, enabling them to obtain legal work authorization and residency in the United States.