The resources below contain different type of market research and data. Mintel and Passport are similar in that they both have consumer market research but they differ in that Passport covers more countries and includes lots of raw data. Please explore both databases as each may provide different information.
Nielsen Segmentation and Market Solutions provides demographic and lifestyle data for the US.
US Census Data is free from the U.S. government and is helpful for understanding basic demographics about people and businesses in the U.S.