New York Times map of donor concentration.

[thesquanderer]

7. Well, this does show you who has more support where.

You can zoom in on the states you care about, and see who they are most supporting.

Though that tells you much more about how they are faring against each other than about how any of them would fare against Trump, which is where the electoral college comes into play.

So while this is interesting in seeing the breadth of national support some of our candidates have, you really have to look at other polls to get the answer to your question. Which doesn't necessarily make this information useless.