This is Red Elderberry, correct? If so, can I eat it like other sambucas?

Reid, the leaves on your plant don't look right to me for red elderberry (or, is there another plant growing there as well?). Check this link for identification and info: https://www.minnesotawildflowe...

(at any rate, they do say the red elderberry fruit isn't edible)

I think Anderwood might have shown us just the fruit. Maybe the two leaves that you can just see the petiole end are actually the leaves to this plant. If that's the case, we need more photos: Leaves and the rest of the tree.

Per my field guide, red elderberries are edible if they are cooked. Typical use is as a jam. The stems, bark, leaves and roots are toxic due to cyanide producing glycosides.

Here are the leaves and stem.

Looks like red elderberry to me, they grow like weeds in our fields and wood edges. Fast growing, good for screens, birds eat the berries.

Yes, it is red elderberry. (Sambucus racemosa)

@leftwood can I eat them?

Do you want to? There must be a reason it is called "stinking elderberry".

I quote Monty Python, "Your mother smelt of elderberries and your father was a hampster!"

Maybe I won't!

I've never heard the term 'stinking elderberry...' Guess I'll go out and smell mine.

This is a time that part of the rhyme:
Berries red, have no dread
doesn't work. Birds like them, but definitely not good for humans.
BTW, you ought to bookmark the Minnesota Wildflower site, and do consider donating, too. Katy and Peter are very fastidious in there descriptions and very few sites include photographs of the different parts of plants in the detail that is needed for accurate identification.
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Lupines, lupines. Your life or your lupines!