Resident Population in Erie County, OH was 73.84100 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Erie County, OH reached a record high of 80.10700 in January of 1996 and a record low of 73.84100 in January of 2024. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Erie County, OH - last updated from the United States Federal Reserve on April of 2026.