Resident Population in Henry County, OH was 27.52000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Henry County, OH reached a record high of 29.50700 in January of 1996 and a record low of 26.94200 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Henry County, OH - last updated from the United States Federal Reserve on May of 2024.