Index/Topics/State-Level Breakdowns of Unauthorized Immigrants

State-Level Breakdowns of Unauthorized Immigrants

State-level estimates and breakdowns of unauthorized immigrants in the U.S., including data from the Migration Policy Institute and Pew Research Center

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7 results
Jan 15, 2026
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Which U.S. counties gained the most unauthorized residents between 2019 and 2023, and what local factors explain those gains?

Migration Policy Institute analysts estimate the unauthorized immigrant population rose sharply between 2019 and mid‑2023—roughly 3 million additional people nationally—and MPI produced county‑level p...

Feb 1, 2026
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How many undocumentillegal aliens are in Texas?

The best available estimates place the number of unauthorized (undocumented) immigrants in between roughly 1.7 million and about 2.1 million people, with most prominent research centers clustering nea...

Jan 27, 2026
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How has the geographic distribution of unauthorized immigrants changed since 2019 by state and metro area?

in has grown since 2019 but the increase has not been uniform: national estimates from policy researchers show several million more unauthorized residents concentrated increasingly in a subset of stat...

Jan 9, 2026

How many illegal border crossings were recorded in the US in 2023?

Official tallies of "illegal border crossings" in U.S. government reporting are recorded as "encounters," a composite measure that includes Border Patrol apprehensions, Office of Field Operations inad...

Feb 4, 2026

Which U.S. states experienced the largest changes in estimated unauthorized immigrant populations between 2019 and 2023 according to CMS, Pew, and MPI?

Three leading estimates—, , and the —agree that the rose notably between 2019 and 2023, and that the largest absolute concentrations (and therefore the largest absolute increases) are concentrated in ...

Feb 3, 2026

How do the Center for Migration Studies, Pew Research Center, and Migration Policy Institute calculate state-level undocumented population estimates and how do their methods differ?

Three leading estimators—the , the , and the —all start from the same problem ( and ACS do not record legal status) and largely rely on the residual estimation family of techniques, but they implement...

Feb 3, 2026

What percentage of undocumented immigrants in the US are of a different race?

The question as posed—“”—is ambiguous because it does not specify the reference group for “different race” or which race categories to compare; available public reporting describes undocumented popula...