Resident Population in Athens County, OH was 62.70600 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Athens County, OH reached a record high of 66.58700 in January of 2017 and a record low of 51.50000 in January of 1976. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Athens County, OH - last updated from the United States Federal Reserve on June of 2024.