Dataset upload of options for checklist (user input)

I am creating a membership directory and it has a lot of options for some of the checklists I need to create (37 items, 24 items, and a zip-code list for the whole state) that I also want to be able to easily change from one place (a data set) for other uses.

I want to be able to upload them with a stored database, that way I can update the database that includes the full list and it will automatically populate the checklist.

(p.s. also looking for a better way to do the zip codes)