The Quarterly Interview Survey and the Diary Survey, detail "the buying habits of American consumers, including data on their expenditures, income, and consumer unit (families and single consumers) characteristics."
Click on the round button "You Are Where You Live."
From geography.about.com: "The popular PRIZM NE (Potential Rating Index for Zip Markets - New Evolution) system provides marketing folks a standardized set of characteristics, known as clusters, for each ZIP Code in the United States... By visiting the You Are Where You Live site, you can enter in a ZIP Code and discover the top five clusters for that area."
Non-subscribers have access to "Previous Trend Briefings" on what motivates consumers and factors affecting future purchasing decisions. Students can now view reports up to September 2011.
Click on "Countries & Consumers." Go to "Consumer Trends and Lifestyles."
The "Future Watch" column in the right frame links to reports on various trends. "Consumers in 2010" in the left frame predicts consumer behavior, by country, for 2020.
The source for the data in this series is the 2006 Bureau of Labor Statistics Consumer Expenditure Survey. The most recent data, from 2009, may be found at the BLS web site: http://www.bls.gov/cex.