Frankfort is a village in Ross County, Ohio, United States, along the North Fork of Paint Creek.

[5] A post office called Old Town was established in 1817, and the name was changed to Frankfort in 1834.

[7] According to the United States Census Bureau, the village has a total area of 0.56 square miles (1.45 km2), all land.

There were 511 housing units at an average density of 912.5 per square mile (352.3/km2).

34.2% of all households were made up of individuals, and 19.6% had someone living alone who was 65 years of age or older.

There were 474 housing units at an average density of 840.6 per square mile (324.6/km2).

35.3% of all households were made up of individuals, and 19.7% had someone living alone who was 65 years of age or older.