They numbers are skewed though because most Asians are concentrated in HCOL cities so statistics for them are always inflated but nobody ever takes that into considerationIndians, Taiwanese and Filipinos have the highest median household incomes among the Asians and I think overall.
List of ethnic groups in the United States by household income - Wikipedia
en.m.wikipedia.org
Usually the Asians effected by the Vietnam War ie. Vietnam, Cambodia and Laos would have lower incomes due to being refugees compared to economic immigrants like Indians, Koreans, some Chinese (Taiwan, Hong Kong).