Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Westmoreland County, PA was 8583.00000 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 Westmoreland County, PA reached a record high of 8583.00000 in January of 2022 and a record low of 7704.00000 in January of 2011. 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 Westmoreland County, PA - last updated from the United States Federal Reserve on May of 2024.