Below are some "best bet" tools for locating data for journalistic purposes, with an emphasis on the United States data.
NOTE: You will need to create an account to download data. See this tip sheet about how to register:
Has full-text in-depth market research reports and infographics covering consumer segments such as automotive, clothing, health, food, retail, travel, etc. Also reports on specific demographics (millennials, affluent consumers, multicultural, children, etc.), and specific themes (convenience, ethical, social media, mobile, etc.). Includes some global coverage.