Clarksburg is an unincorporated community and census-designated place in Fugit Township, Decatur County, Indiana, United States.

[6] John Miller, Justice of the Indiana Supreme Court, was born in Clarksburg in 1840.

[7] Clarksburg is located in northeastern Decatur County 12 miles (19 km) northeast of Greensburg, the county seat.

According to the U.S. Census Bureau, the Clarksburg CDP has an area of 0.48 square miles (1.24 km2), all land.

This Decatur County, Indiana location article is a stub.