Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in McKean County, PA was 37496.00000 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 McKean County, PA reached a record high of 41537.00000 in January of 2010 and a record low of 37496.00000 in January of 2022. 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 McKean County, PA - last updated from the United States Federal Reserve on May of 2024.