Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Greene County, IL was 103.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Greene County, IL reached a record high of 194.00000 in January of 2018 and a record low of 49.00000 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Greene County, IL - last updated from the United States Federal Reserve on May of 2024.