Resident Population in Geauga County, OH was 95.40700 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Geauga County, OH reached a record high of 98.87000 in January of 2009 and a record low of 62.97700 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Geauga County, OH - last updated from the United States Federal Reserve on May of 2024.