Clarksburg is a town in Carroll County, Tennessee, United States.

Clarksburg is in southern Carroll County, along Tennessee State Route 22, which leads north 9 miles (14 km) to Huntingdon, the county seat, and south 6 miles (10 km) to Interstate 40 at Parkers Crossroads.

According to the United States Census Bureau, the town has a total area of 2.0 square miles (5.2 km2), all land.

30.3% of all households were made up of individuals, and 21.8% had someone living alone who was 65 years of age or older.

None of the families and 7.2% of the population were living below the poverty line, including no under eighteens and 21.3% of those over 64.