Erin, Tennessee

[7] Each year in March,beginning in 1962 (61 years ago as of 2023) the town has held a weeklong Irish festival, one of the top ten celebrations in the U.S., with a parade, banquets, pageants, arts and crafts, and other events celebrating Erin's Irish heritage and honoring the sacrifice of Irish railroad workers who helped link Erin to the rest of the world.

According to the United States Census Bureau, the city has a total area of 4.1 square miles (11 km2), all land.

As of the 2020 United States census, there were 1,224 people, 514 households, and 251 families residing in the city.

As of the census[4] of 2000, there were 1,490 people, 588 households, and 355 families residing in the city.

37.2% of all households were made up of individuals, and 21.9% had someone living alone who was 65 years of age or older.