Best internet I ever used was the municipal fiber in Wilkes County NC (a mostly rural mountain county in NW NC, it does have one larger town which is economically struggling). It was actually better performing and more reliable than the gigabit I used in a skyscraper in Seattle.

That's about the only thing Wilkes county has going for it though. Well, that and housing costs that are much more affordable than most of the more touristy mountain counties nearby.