Learn about the estimated 13.7 million unauthorized immigrants living in the United States. Where do they live? When did they arrive in the United States, and from which origin countries? What are their levels of education, top industries of employment, incomes, parental and marital status, health care coverage, and more? Using a unique MPI methodology to assign legal status in U.S. Census Bureau data, this data tool provides detailed sociodemographic profiles for the United States, 43 states (plus the District of Columbia), and the 135 counties with the largest unauthorized populations as of 2023. And for topline estimates of unauthorized immigrant populations for all states and 287 counties, click on the spreadsheet at right.
Hover over a state for data, and for dark teal states, click on state for detailed profile
County Profiles
To access detailed data profiles for the 135 counties with the largest unauthorized populations, click below on the state of interest below to display individual profiles. For topline estimates of the total unauthorized population for 287 counties, click on the teal button below or the spreadsheet link at right.
The 2023 data in this data tool result from a Migration Policy Institute (MPI) methodology that imputes unauthorized status using U.S. Census Bureau data from the pooled 2019-23 American Community Survey (ACS) and the 2023, 2022, and 2008 Survey of Income and Program Participation (SIPP), weighted to 2023 unauthorized immigrant population estimates provided by Jennifer Van Hook of The Pennsylvania State University.
