Demographics of the United States

This article discusses the demographic features of the population of the United States, including population density, ethnicity, education level, health, economic status, and religious affiliation.

http://en.wikipedia.org/wiki/Demographics_of_the_United_States

Mineful Demographics provides marketing professionals and researchers with a complete and visual demographic profile of the U.S. population and Puerto Rico.
If you need to do marketing research to understand and compare demographic and economic characteristics, start by clicking a state on the map or table below. You will find updated population data, household statistics, income distributions, and business data at the State, County, and Zip Code level.

http://www.mineful.com/demographics/