Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Allegheny County, PA was 958410.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Allegheny County, PA reached a record high of 1004718.00000 in January of 2009 and a record low of 948585.00000 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, White Alone (5-year estimate) in Allegheny County, PA - last updated from the United States Federal Reserve on May of 2024.