Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Leavenworth County, KS was 5733.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Leavenworth County, KS reached a record high of 6756.00000 in January of 2016 and a record low of 5733.00000 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, Black or African American Alone (5-year estimate) in Leavenworth County, KS - last updated from the United States Federal Reserve on May of 2024.