Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in King William County, VA was 13785.00000 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 King William County, VA reached a record high of 13785.00000 in January of 2022 and a record low of 11751.00000 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 King William County, VA - last updated from the United States Federal Reserve on May of 2024.