According to https://en.wikipedia.org/wiki/Affluence_in_the_United_States#Top_percentiles_of_income https://en.wikipedia.org/wiki/Affluence_in_the_United_State

According to https://en.wikipedia.org/wiki/Affluence_in_the_United_States#Top_percentiles_of_income https://en.wikipedia.org/wiki/Affluence_in_the_United_States... it seems that more than 99% of individuals (not to be confused with households) earn less than 200k. That's a reasonable definition for "almost all".