More as an interesting fact than trying to be argumentative: In the current electorate, Democrats are supported by a majority of both low-income and high-incom

More as an interesting fact than trying to be argumentative: In the current electorate, Democrats are supported by a majority of both low-income and high-income voters. Republicans even it out by having a majority of the middle income voters, especially those without a college degree. It didn't use to be like this. But now it is.