Potsdam is a village in Miami County, Ohio, United States. The population was 288 at the 2010 census. It is part of the Dayton Metropolitan Statistical Area.HistoryPotsdam was originally called Georgetown and New Lebanon, and under one of the latter names was laid out around 1840. A post office called Potsdam has been in operation since 1861.GeographyPotsdam is located at .According to the United States Census Bureau, the village has a total area of 0.45sqmi, all land.Demographics2010 censusAs of the census of 2010, there were 288 people, 102 households, and 78 families residing in the village. The population density was 640.0PD/sqmi. There were 104 housing units at an average density of 231.1/sqmi. The racial makeup of the village was 96.2% White, 1.4% Native American, and 2.4% from two or more races.There were 102 households of which 39.2% had children under the age of 18 living with them, 63.7% were married couples living together, 8.8% had a female householder with no husband present, 3.9% had a male householder with no wife present, and 23.5% were non-families. 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. The average household size was 2.82 and the average family size was 3.24.
