Auburntown is a town in Cannon County, Tennessee, United States.

[7] According to the United States Census Bureau, the town has a total area of 0.6 square miles (1.6 km2), all of it land.

As of the 2020 United States census, there were 272 people, 87 households, and 61 families residing in the town.

The racial makeup of the town was 98.41% White, 0.40% African American, 0.40% Asian, and 0.79% from two or more races.

About 8.1% of families and 11.0% of the population were below the poverty line, including 12.0% of those under the age of eighteen and 9.8% of those 65 or over.