Resident Population in Schuyler County, IL was 6.73300 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Schuyler County, IL reached a record high of 8.36500 in January of 1980 and a record low of 6.71000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Schuyler County, IL - last updated from the United States Federal Reserve on May of 2024.