It appears to be a ideal commune without class structure when you are only showing the heirs of the most powerful class leaders with the only working class hobbit being subservient to the richest.
Only recently I've been made aware that most people who haven't read the books don't know especially Merry and Pippin are actually pretty big shots.
Everything east of the Brandywine if I'm not mistaken. Though technically Buckland is not part of the Shire at the time of the lotr events.
