Is the rising tide lifting all boats?

‘Murica got some good economic news from the U.S.Census Bureau, namely: …Real median household income increased by 5.2 percent between 2014 and 2015 while the official poverty rate decreased 1.2 percentage points. At the same time, the percentage of people without health insurance coverage decreased. Median household income in the United States in 2015 was $56,516, …