Even if your mail has the wrong address on it, it ends up at the right house, because the mail is handsorted by people who know everyone in town.
Your best friend's mother is the postal carrier for your route.
You have (count em) a total 6 street lights on a whopping 90 miles of roads, but, every driveway has its own street light
Your family reunion with relatives from "all the way across the country in California" is front page news of the local newspaper
The town has a monthly free "Crier" that updates the whole community on all the happenings, random acts of kindess in town, and where the graduates of the local combined elementary middle school are and what they're doing
You're the 3rd generation to be friends with a member of the same family-your father and grandfather were and still are friends with your friends father and grandfather
Every conversation with one of the "old timers" begins with "I remember when" and ends with some story about the crazy things your grandparents or parents did, because they all grew up in the same place (if I ever get out of Auburn I'll be the first generation to do so)
Your father owns enough land so that when he sells some of it off for a new subdivision, he saves a plot for each of his kids, for their houses, right behind his
More land is owned by an Audobon society or Water Works than is owned by people