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..."

Age and Sex Composition: 2010 (2010 Census Briefs)
"Focusing on a population’s age and sex composition is one of the most basic ways to understand population change over time. Since Census 2000, the population has continued to grow older, with many states reaching a median age over 40 years. At the same time, increases in the number of men at older ages are apparent. Understanding a population’s age and sex composition yields insights
into changing phenomena and highlights future social and economic challenges..."

The Hispanic Population: 2010(2010 Census Briefs)
"This report looks at an important part of our nation’s changing ethnic diversity. It is part of a
series that analyzes population and housing data collected from the 2010 Census, and it provides
a snapshot of the Hispanic or Latino population in the United States. Hispanic population group
distributions and growth at the national level and at lower levels of geography are presented..."