American Demographics Magazine
Journal of Consumer Research
Marketing Magazine - Marketing Magazine is the only Canadian national weekly dedicated to the business of marketing, advertising and the media.
Sales and Marketing Management
Web Digest for Marketers
What's Next Online - A free marketing newsletter.
American Fact Finder
Consumer Expenditure Survey
FedStats: Economic Statistics
HispanSource.org - Source for Hispanic Market Information
The Right Site - Free demographics configurable in a number of ways
State and County Quick Facts
Survey of Current Business
United States Census
You Are Where You Live - Enter a zip code and retrieve a basic version of lifestyle cluster data.