Another 2.6 million people slipped into poverty in the United States last year, the Census Bureaureports; and 46.2 million Americans live below the official poverty line — the highest in 52 recorded years:
http://www.nytimes.com/2011/09/14/us/14census.html?hp
Key Census findings on Income, Poverty and Health Insurance Coverage in the United States: 2010:
http://www.census.gov/newsroom/releases/archives/income_wealth/cb11-157.html