De Kalb County, IL - Estimate of Median Household Income for DeKalb County, IL was 71882.00000 $ in January of 2022, according to the United States Federal Reserve. Historically, De Kalb County, IL - Estimate of Median Household Income for DeKalb County, IL reached a record high of 71882.00000 in January of 2022 and a record low of 31607.00000 in January of 1989. Trading Economics provides the current actual value, an historical data chart and related indicators for De Kalb County, IL - Estimate of Median Household Income for DeKalb County, IL - last updated from the United States Federal Reserve on May of 2024.