Resident Population in Grayson County, VA was 15.28500 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Grayson County, VA reached a record high of 17.81200 in January of 1999 and a record low of 15.13100 in January of 2013. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Grayson County, VA - last updated from the United States Federal Reserve on May of 2024.