Population Estimate, Total, Hispanic or Latino (5-year estimate) in Richland County, IL was 283.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Hispanic or Latino (5-year estimate) in Richland County, IL reached a record high of 283.00000 in January of 2022 and a record low of 60.00000 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Hispanic or Latino (5-year estimate) in Richland County, IL - last updated from the United States Federal Reserve on May of 2024.