Population Distribution and Change: 2000 to 2010 (2010 Census Briefs)
"The 2010 Census reported 308.7 million people in the United States, a 9.7 percent increase from the Census 2000 population of 281.4 million. This report discusses population change between 2000 and 2010 for several geographic levels, including regions, states, metropolitan and micropolitan statistical areas, counties, and places..."