It's a mix--families and empty-nesters. It's quieter than some other neighborhoods, I guess. But I posted above--plenty of kids, many/most of whom go to Murch, so that helps create community.
Shopping and convenience depends on where you are in Forest Hills; we're close to Conn. Ave., so we're close to restaurants, shopping, buses; it's very walkable. If you're farther east, deeper in Forest Hills, it feels much more removed and surburban.