Potsdam is a village in Miami County, Ohio, United States.

Potsdam was originally called Georgetown and New Lebanon, and under one of the latter names was laid out around 1840.

[5] According to the United States Census Bureau, the village has a total area of 0.45 square miles (1.17 km2), all land.

The racial makeup of the village was 96.2% White, 1.4% Native American, and 2.4% from two or more races.

18.6% of all households were made up of individuals, and 5.8% had someone living alone who was 65 years of age or older.

About 4.8% of families and 6.9% of the population were below the poverty line, including none of those under the age of eighteen or sixty five or over.