Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Cass County, IL was 9495.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Cass County, IL reached a record high of 11101.00000 in January of 2010 and a record low of 9230.00000 in January of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Cass County, IL - last updated from the United States Federal Reserve on May of 2024.