Resident Population in Auglaize County, OH was 46.05000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Auglaize County, OH reached a record high of 46.68200 in January of 1996 and a record low of 38.60200 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Auglaize County, OH - last updated from the United States Federal Reserve on May of 2024.