@DylanM Yeah I see your point. I still think it’s set up correctly though. For example, I have multiple Washington Counties (in Maine, Vermont, and Rhode Island… ), and they are all successfully displayed - so I thought the system must have had to use the linked state data to be able to show them correctly, but let me know if there is an alternative explanation…
I will try the approach for adding ZIP/city to the hierarchy (thanks!) - do I just need to add an example within the county into the new columns for Quick Sight to infer the location?