Resident Population in Hancock County, OH was 74.70400 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Hancock County, OH reached a record high of 75.98400 in January of 2017 and a record low of 61.21700 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Hancock County, OH - last updated from the United States Federal Reserve on May of 2024.