Data used to build customer segments based on attitudes, values, beliefs and opinions as opposed to factual characteristics such as age and gender.
Many lead generation tools and services lump psychographics in with all of their demographics. Keep a keen eye out to watch for this both in separate categories and lumped in. It's a valuable asset to have when deciding who to market very targeted products to. Avoid the egg on your face that could occur if you try to sell heavy metal music to conservative church-goers!