Antioch is a village in Monroe County, Ohio, United States.
According to the United States Census Bureau, the village has a total area of 0.11 square miles (0.28 km2), all of it land.
The racial makeup of the village was 97.7% White, 1.2% African American, and 1.2% from two or more races.
30.3% of all households were made up of individuals, and 15.1% had someone living alone who was 65 years of age or older.
17.6% of all households were made up of individuals, and 17.6% had someone living alone who was 65 years of age or older.