U.S.-Mexico Border State Polygons, U.S. and Mexico, 2020, U.S. Environmental Protection Agency
This polygon layer represents the ten USA and Mexico states addressed by the U.S.-Mexico Border Program.

States are sourced from Esri's ArcGIS Online:
USA States (Generalized) Living Atlas Layer: https://www.arcgis.com/home/item.html?id=99fd67933e754a1181cc755146be21ca

These data support the U.S.-Mexico Border …