Mount Blanchard is a village in Hancock County, Ohio, United States.

[4] According to the United States Census Bureau, the village has a total area of 0.54 square miles (1.40 km2), all land.

There were 209 housing units at an average density of 387.0 per square mile (149.4/km2).

23.5% of all households were made up of individuals, and 9.8% had someone living alone who was 65 years of age or older.

There were 204 housing units at an average density of 377.5 per square mile (145.8/km2).

25.0% of all households were made up of individuals, and 10.4% had someone living alone who was 65 years of age or older.