Farmersville is a village in Jackson Township, Montgomery County, Ohio, United States.

According to the United States Census Bureau, the village has a total area of 0.72 square miles (1.86 km2), all land.

There were 402 housing units at an average density of 558.3 per square mile (215.6/km2).

19.1% of all households were made up of individuals, and 7% had someone living alone who was 65 years of age or older.

The racial makeup of the village was 99.18% White, 0.20% African American, 0.10% Asian, and 0.51% from two or more races.

16.9% of all households were made up of individuals, and 8.5% had someone living alone who was 65 years of age or older.