Hi K,
I like Darrens ideas. Maybe do this:
- Join your tabular data to the polygon (after making a concatenated field like Darren pointed out).
- In the join, be sure you click on 'all' the data instead of just matching data.
- Export this newly joined polygon layer to a new feature class.
- Then make centroids (like Darren suggested) of this new polygon feature class.
I believe that way it will keep all of your tabular data and then have it be the attributes of the new points (though, I would imagine the points would be on top of each other).
EDIT: I just saw Darren's post. Related tables might be the way to go.