Resident Population in Stark County, IL was 5.21800 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Stark County, IL reached a record high of 7.51000 in January of 1970 and a record low of 5.21800 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Stark County, IL - last updated from the United States Federal Reserve on May of 2024.