If you have access to better demographics on the US election, I'd love to see them. Particularly if you can find race/income cross tabs.
I doubt very much that you'd easily find data of sufficient precision to differentiate genuine working-class voters from upwardly-mobile middle class young adults, though. It'd be possible to determine that data with sufficient resources, of course, but that's not the sort of detail you typically find in exit polls.
However, the initial question being addressed in this subthread was my attempt to provide evidence for the claim that most working class voters do not support the far right. To be precise, it was me saying:
Then you saying:
To which I replied:
...and attached some demographics to support that claim, as evidence that the lower income groups were the only economic group in which the majority voted Dem.
It isn't perfect evidence, but they're the best stats I've been able to find regarding the influence of class and income on the election. I don't think that it is unreasonable to conclude from the available data that the most likely reality is that a strong plurality (and likely majority) of working class voters opposed Trump, while a narrow plurality of middle- and upper-class voters supported him.
I believe that the repeated narrative in the US media and public discussion, suggesting that the rise of Trump was due to the votes of stupid impoverished yokels, is both factually wrong and massively harmful.