Resident Population in Shelby County, OH was 47.76500 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Shelby County, OH reached a record high of 49.34700 in January of 2010 and a record low of 37.60000 in January of 1971. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Shelby County, OH - last updated from the United States Federal Reserve on May of 2024.