De Kalb County, IN - Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in DeKalb County, IN was 40839.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, De Kalb County, IN - Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in DeKalb County, IN reached a record high of 41013.00000 in January of 2020 and a record low of 39991.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for De Kalb County, IN - Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in DeKalb County, IN - last updated from the United States Federal Reserve on May of 2024.