Story, first published: Astounding Science Fiction, June 1954
The neighbor in "Neighbor" ... is an alien who has transformed Coon Valley into a paradise: no sickness, no danger, no disaster, and no crop failure. Those who try to leave - and who wants to leave? - cannot seem to find the main road.
Ewald, Robert J.: When the Fires Burn High and the Wind is from the North, p.53