Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Essex County, NJ was 312788.00000 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 Essex County, NJ reached a record high of 319030.00000 in January of 2021 and a record low of 303671.00000 in January of 2020. 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 Essex County, NJ - last updated from the United States Federal Reserve on May of 2024.