I'm not completely sure what you mean, the 2016 votes leaned approximately democrat for <75k and and republican >75k like every other election in recent US hist

I'm not completely sure what you mean, the 2016 votes leaned approximately democrat for <75k and and republican >75k like every other election in recent US history, although admittedly by a lower margin than the previous years. In 2020 it seems to have returned to a larger gap again.