>Extend the list and you see lots of high latitudes, low incomes, remote rural settings, and indigenous American populations

Gloomy weather, little opportunity for future economic advancement exacerbated by a government hundreds of miles away made up of people nothing like you making up rules for you that make life harder (rural area generally make money on resource extraction and western government are regulating that more tightly for climate reasons) and it's been this way for generations.

This isn't quite shocked pikachu territory but it should come as no surprise people living like this kill themselves more than the baseline.