I think you are mainly seeing the jobs in high cost areas reason for six figures in say the bay area/silicon valley area is you need that much to afford housing

I think you are mainly seeing the jobs in high cost areas reason for six figures in say the bay area/silicon valley area is you need that much to afford housing and other local expenses. In other places the rates are lower. Though to get highly qualified skills companies may be more competitive with the high paying areas just because such talent are tempted by it.