Chickasaw is a village in Mercer County, Ohio, United States.

[5] According to the United States Census Bureau, the village has a total area of 0.23 square miles (0.60 km2), all land.

[8] As of the census[10] of 2010, there were 290 people, 122 households, and 80 families living in the village.

There were 131 housing units at an average density of 569.6 per square mile (219.9/km2).

30.3% of all households were made up of individuals, and 11.5% had someone living alone who was 65 years of age or older.

There were 139 housing units at an average density of 608.1 per square mile (234.8/km2).

27.2% of all households were made up of individuals, and 12.5% had someone living alone who was 65 years of age or older.