Estimated Percent of Related Children Age 5-17 in Families in Poverty for Loudoun County, VA was 3.00% in January of 2022, according to the United States Federal Reserve. Historically, Estimated Percent of Related Children Age 5-17 in Families in Poverty for Loudoun County, VA reached a record high of 5.40 in January of 1997 and a record low of 2.50 in January of 2006. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimated Percent of Related Children Age 5-17 in Families in Poverty for Loudoun County, VA - last updated from the United States Federal Reserve on May of 2024.