When doing market research the investigator, at the very least, wants to find out demographics, what kind of income the market has, and who is spending money on a product. The sources here will start you on your way.
Market research reports from leading research firms, as well as reports from MarketLooks. Subjects covered include consumer & personal products, demographics, engineering & construction, food & beverage, and more.
Comprehensive website and visualization engine of public US Government data. A collaborative project from Deloitte, Datawheel, and Cesar Hidalgo, Professor at the MIT Media Lab and Director of Collective Learning.