Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Lafayette County, MO was 687.00000 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 Lafayette County, MO reached a record high of 890.00000 in January of 2013 and a record low of 634.00000 in January of 2018. 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 Lafayette County, MO - last updated from the United States Federal Reserve on May of 2024.