We need a way to assign population to each polygon

[timlinux]

Maybe we can use pgraster to load w.g. worldpop and then do zonal stats to get the pop count for each polygon that is not yet populated. We could even do this db side to have a trigger that updates population whenever a poly is inserted.

[timlinux]

Or we can just use the raster stats library

https://www.perrygeo.com/zonal-stats-with-postgis-rasters-part-2.html