Population Estimate, Total, Not Hispanic or Latino, Asian Alone (5-year estimate) in McDonough County, IL was 685.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, Asian Alone (5-year estimate) in McDonough County, IL reached a record high of 990.00000 in January of 2009 and a record low of 634.00000 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, Asian Alone (5-year estimate) in McDonough County, IL - last updated from the United States Federal Reserve on May of 2024.