| Population in the Border Area of U.S. and Mexican States | ||
|---|---|---|
| State | 1990 Population | 1995 Population |
| California, USA | 2,607,000 | 2,850,000 |
| Baja California, Mexico | 1,401,000 | 2,108,000 |
| Arizona, USA | 235,000 | 287,000 |
| Sonora, Mexico | 395,000 | 440,000 |
| New Mexico, USA | 21,000 | 63,000 |
| Chihuahua, Mexico | 870,000 | 1,085,000 |
| Texas, USA | 1,549,000 | 2,030,000 |
| Coahuila, Mexico | 191,000 | 230,000 |
| Nuevo Leon, Mexico | 17,000 | 18,000 |
| Tamaulipas, Mexico | 1,015,000 | 1,194,000 |
| Total | 8,301,000 | 10,305,000 |
| Source: US-Mexico Border XXI Program. Framework Document. October 1996. Washington, D.C.: U.S. Environmental Protection Agency, 1996 | ||