Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Plymouth County, MA was 412546.00000 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 Plymouth County, MA reached a record high of 421319.00000 in January of 2009 and a record low of 412546.00000 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 Plymouth County, MA - last updated from the United States Federal Reserve on May of 2024.