Population density in the Canton of Valais at kilometric resolution

A cartographically challenging fact about the Canton of Valais is that most of its communes cover mountainous areas with no inhabitants. Standard choroplethe maps distort data in these conditions:  communes with only a few inhabitants may appear very large on the map and give a disproportionate importance to data collected from only a few individuals.

One solution would be the use of cartograms. In this map, I use another another solution, based on the hectometric resolution of the Swiss population census. I’ve aggregated the data to the square kilometer.

This map shows more precisely the population density of the male population.

Mapping tools: ArcMap, Python script, LightScreen (for the screenshot), Photoshop (minimal editing of the screenshot)