Resident Population in Cuyahoga County, OH was 1240.59400 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Cuyahoga County, OH reached a record high of 1720.83500 in January of 1970 and a record low of 1235.57400 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Cuyahoga County, OH - last updated from the United States Federal Reserve on April of 2026.