Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Sangamon County, IL was 154515.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Sangamon County, IL reached a record high of 164553.00000 in January of 2009 and a record low of 154515.00000 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Sangamon County, IL - last updated from the United States Federal Reserve on June of 2024.