There are many ways to learn more about your target consumers. Most industry and market reports will include sections about the consumers, but here are some more suggestions.
Demographics
If you're researching the baby stroller market, you might want to know how many babies are born each year or income brackets of new parents.
Psychographics
Using the baby stroller market example, you may want to know what types of features parents look for when choosing baby products, what brands have the best market share, or what price point they like.