Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in St. Johns County, FL was 222891.00000 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 St. Johns County, FL reached a record high of 222891.00000 in January of 2022 and a record low of 150610.00000 in January of 2009. 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 St. Johns County, FL - last updated from the United States Federal Reserve on May of 2024.