Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Maricopa County, AZ was 2359261.00000 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 Maricopa County, AZ reached a record high of 2407398.00000 in January of 2020 and a record low of 2241236.00000 in January of 2010. 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 Maricopa County, AZ - last updated from the United States Federal Reserve on May of 2024.