Resident Population in Ohio was 11883.30400 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Ohio reached a record high of 11883.30400 in January of 2024 and a record low of 4161.00000 in January of 1900. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Ohio - last updated from the United States Federal Reserve on February of 2026.