Survey & Polling Data
Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping America and the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research.
MRI+ MediaMark Reporter contains the results of a national probability sample of U.S. consumers and provides very detailed data for specific consumer goods.
Roper Center for Public Opinion Research's iPoll offers full-text, question-level summary data from public opinion polls from major survey research organizations in the United States from 1936 to the present day.