7 Cities with Most Illegal Immigrants in the US

2. Los Angeles

Illegal Immigrants: 925,000

Reportedly, individuals entering Los Angeles without legal documentation originate from Mexico, El Salvador, Honduras, and Venezuela. The Migration Policy Institute estimated in 2019 that approximately 951,000 undocumented immigrants were living in Los Angeles County, accounting for nearly 10% of the county’s total population and representing the highest concentration of migrants in any U.S. County.