He has become a 'folk hero' in his home state because of the work he has done to help poor children.
He doesn't much care for city 'folk'. [=people who live in a city]
His 'folks' gave him everything a kid could want.
(..) I'll tell you what Peeta. You go out there... ...and you win this thing. And when you get home. She'll have to go out with you. Right folks? Thanks but I uh... I don't think winnings gonna help me at all. And why not? Because she came here with me. (..)2012 The Hunger Games
(..) Yes. In fact I'm wearing them today. Would you like to see? Wait, wait, wait. Is it safe? What do you think folks? I think that's a yes! That was really something. Katniss, that was something. Thank you for that. I have one more question for you. (..)2012 The Hunger Games