Resident Population in Pike County, OH was 27.00100 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Pike County, OH reached a record high of 28.60600 in January of 2010 and a record low of 19.10000 in January of 1971. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Pike County, OH - last updated from the United States Federal Reserve on May of 2024.