La Salle County, IL - Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in LaSalle County, IL was 2906.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, La Salle County, IL - Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in LaSalle County, IL reached a record high of 2906.00000 in January of 2022 and a record low of 874.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for La Salle County, IL - Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in LaSalle County, IL - last updated from the United States Federal Reserve on May of 2024.