Today, the state with highest number of Vietnam veterans is California, with 596,130, followed by Florida with 519,224. ... Vietnam Veterans by State 2022 South Carolina - 2,552 per 100k. New Mexico - 2,537 per 100k. Arizona - 2,524 per 100k. Delaware - 2,517 per 100k. New Hampshire - 2,498 per 100k. More items...