Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in McHenry County, IL was 163.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in McHenry County, IL reached a record high of 268.00000 in January of 2009 and a record low of 76.00000 in January of 2015. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in McHenry County, IL - last updated from the United States Federal Reserve on May of 2024.