Unemployment Rate in Sangamon County, IL was 4.60% in March of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Sangamon County, IL reached a record high of 14.90 in April of 2020 and a record low of 2.80 in April of 1998. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Sangamon County, IL - last updated from the United States Federal Reserve on May of 2024.