Lithopolis is a village in Fairfield and Franklin counties in the U.S. state of Ohio.

[7] According to the United States Census Bureau, the village has a total area of 2.02 square miles (5.23 km2), all land.

The racial makeup of the village was 94.3% White, 3.4% African American, 0.7% Asian, and 1.5% from two or more races.

26.2% of all households were made up of individuals, and 7.7% had someone living alone who was 65 years of age or older.

27.0% of all households were made up of individuals, and 9.3% had someone living alone who was 65 years of age or older.

About 3.1% of families and 5.6% of the population were below the poverty line, including 4.5% of those under the age of 18 and 6.1% of those 65 and older.