Negative $4,019

In January 2009, the month President Obama entered the Oval Office and shortly before he signed his stimulus spending bill, median household income was $54,983. By June 2012, it had tumbled to $50,964, adjusted for inflation. (See the chart nearby.) That’s $4,019 in lost real income, a little less than a month’s income every year.

Unfair, you say, because Mr. Obama inherited a recession? Well, even if you start the analysis when the recession ended in June 2009, the numbers are dismal. Three years after the economy hit its trough, median household income is down $2,544, or nearly 5%…

So what does explain falling real incomes? Slow growth, yes, but another culprit has been rising prices—especially for food, gasoline, medical procedures and college tuition—that have eroded worker purchasing power. The Federal Reserve claims this is no problem because “core inflation” has been relatively contained. But core inflation excludes food and energy prices, which are two of the biggest components of consumer budgets.