In 2022, the population of Antioch was 73, a 1.35% decrease year-by-year from 2021. Previously, in 2021, Antioch's population was 74, a decline of 0.00% compared to a population of 74 in 2020.
The median age in Antioch, OH is 38.3, as per 2021 ACS 5-Year Estimates. Of the total population, 11.43% were under the age of 15, 24.29% aged 15 to 29, 37.14% aged 30 to 64, 27.14% aged 65 to 84, and 0.00% were 85 years of age and older.