- The Vietnamese diaspora was widely scattered across the United States.
- California had the largest number of Vietnamese immigrants with a population of 490,000, followed by Texas at 150,000. The states of Washington, Florida, and Virginia were each home to between 45,000 and 50,000 Vietnamese immigrants.
- Among U.S. metropolitan areas, Los Angeles had the largest Vietnamese immigrant population (230,000). The 95,000 Vietnamese immigrants living in the San Jose metropolitan area made up 5.2 percent of the population there, representing the highest concentration in any metropolitan area. Houston, San Francisco, Dallas, and Washington, DC each had more than 50,000 Vietnamese immigrant residents.
https://www.migrationpolicy.org/sites/default/files/publications/RAD-Vietnam.pdf
https://www.unhcr.org/3ebf9bad0.pdf
https://en.wikipedia.org/wiki/List_of_U.S._cities_with_large_Vietnamese-American_populations