All I can tell you is that I know a lot of people in my age group, substantially more diverse than most people. In my generation, about 80% of white males, 35-40% of African-American males, and 15-20% of Hispanic males are conservative. The gender gap is significant, to be fair, but we aren't voting Democrat 75-20 overall, trust me. It'll be something along the lines of Democrat 50-46, maybe a bit more on both sides because we really adopted a big stigma against third party candidates. Laugh all you want. In the 2030s, you'll start to see the picture of my generation in politics and realize I was right the whole time.
This all may be true of the people of your generation
you know. There is no obvious reason for you to extrapolate to the people you do not know. Polls are showing something very different.