If you could add the "X is missing from OSM but is listed on the Census Bureau list of CDPs" ones that would be great... there's a couple out there that have name conflicts/SD-specific issues (Dakota Dunes is a CDP with an administrative boundary!).

Feel free to message me if things come up (it'll be easier to see than a changeset comment), there's a number of relations on the list that I either created or was the last editor on (some a long time ago when I didn't know what I was doing)