Pew publishes estimates of the undocumented immigrant population. They calculate these estimates by assuming that the undocumented population is equal to the foreign born population minus the documented immigrant population. They make adjustments to account for the fact that undocumented immigrants are slightly less likely to respond to the American Community Survey.
Number of undocumented immigrants.
Data is available in SAVI for this area:
Data is available in SAVI at these geographic levels:
Data is available in SAVI for these years:
1990, 1995, 2000, 2005-2017
Use This Data In SAVI
This data source is used in the following SAVI tools.