Absolute Essentials of Marketing Research by 
Consumption Behaviour and Social Responsibility by Explore Census Data is a resource for searching U.S. Census data. You can filter by age, income, year, race, and location.
Bureau of Labor Statistics data from the Consumer Expenditure Survey, and American Time Use Survey to determine American values and trends.
Business Dynamic Statistics takes census data and allows you see economic data on job creation, startups and shutdowns, business openings, expansions, and closures.
International Database provides information on the areas of the country with large numbers of certain types of businesses.
Federal Committee on Statistical Methodology provides an up-to-date forum for finding data released by federal agencies, including agriculture, education, transportation, and energy.
Neilson's MyBestSegments provides researchers with tools to understand an area's demographic information and lifestyle habits. You can find out which areas would be most receptive to a campaign or launch, which competitors are located nearby, and trends in the area that have shifted.
Mapping LA Demographic information on Los Angeles residents.
Use Google Dashboard for research Insights on studies about consumer behavior, brands, and impacts on shopping.
Google Consumer Surveys allows you to get quick insights of your consumers with data for $0.10/ response.
Survata online survey building form tool and advise from a survey analyst. Determine your target audience. Cost $1/ US respondent
Loop11 usability testing that allows you to test even your competitors website.
Temper get one question/answer feedback embedded into your website
