Dowelltown is a town in DeKalb County, Tennessee, United States.

[5] According to the United States Census Bureau, the town has a total area of 0.8 square miles (2.1 km2), all of it land.

There were 147 housing units at an average density of 188.2 per square mile (72.7/km2).

32.8% of all households were made up of individuals, and 17.2% had someone living alone who was 65 years of age or older.

About 23.2% of families and 26.9% of the population were below the poverty line, including 39.8% of those under the age of eighteen and 25.0% of those 65 or over.