Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Niagara County, NY was 177390.00000 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 Niagara County, NY reached a record high of 189865.00000 in January of 2009 and a record low of 177390.00000 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 Niagara County, NY - last updated from the United States Federal Reserve on May of 2024.