I think that
Walk Score is really cool. I don't know that it's necessarily accurate, as it gave my residence a score in the high 70s, even though many of the stores they mention are [a] the only one of their type in walking distance [b] don't necessarily sell essential items of that type. But it's still cool.
My parent's in North Dakota? It somehow rates a 22. That's way too high. No car = isolation in that part of the world.