Du Page County, IL - Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in DuPage County, IL was 44192.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Du Page County, IL - Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in DuPage County, IL reached a record high of 44575.00000 in January of 2021 and a record low of 38518.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Du Page County, IL - Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in DuPage County, IL - last updated from the United States Federal Reserve on May of 2024.