Material Prosperity since 1980: Hoisted from the Archives from Two Years Ago
One answer is that between 1975 and 1985 I never went to Scranton or Detroit--but instead to places like Dupont Circle, Adams Morgan, Cambridge, Virginia Beach, greater Orlando, Park Slope, the Lower East Side, the Upper West Side, Jackson Hole, and other places some of which are top 1% places and the others of which are all urban edge Renaissance places benefiting mightily from increased congestion.
Another answer is that not just average income but density of economic activity matters--more dense places look more prosperous because there are more choices. But then shouldn't the number of choices be factored into our estimates of the median?
But the answer I prefer right now is that our assessment of the prosperity of a place depends on the median dollar spent there rather than on the well-being of the median person there. And practically everywhere the median dollar today is being spent by somebody much richer with much richer tastes than the median dollar some 32 years ago was...