In May 2016, the FAA released location data for the first 6 months of their UAS owner registry. This model depicts both visually and tactilely where the most drone owners are in the US.
The top 5 states are:
This data has also allowed us to make some interesting heatmaps of specific conentrations of drone owners.
This file is available for free on Thingiverse, if you've got your own printer.