As promised, I've completed further analysis of the impact of various factors on median household income at the metropolitan area level, the results of which are displayed and discussed below. Rather than focus on median household income in general, I've gone a step further with this analysis by looking at variation in median household income by income tier -- e.g., lower income, middle income, and upper income tiers. The results are interesting (at least I think so...), and they arguably have significance for public policy. Also, if you don't care for all the glorious (ok...boring) details in the following analysis, just scroll on down to the conclusion. In my previous post I alluded to what I viewed as a misguided hyper-focus on security, crime, and undocumented immigration in this current presidential election season (most notably because of the rhetoric of the Republican nominee) that has distracted from other important social and economic issues. Now, I certainly thi