Resident Population in Lancaster County, VA was 10.85900 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Lancaster County, VA reached a record high of 11.55100 in January of 2000 and a record low of 9.00000 in January of 1971. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Lancaster County, VA - last updated from the United States Federal Reserve on May of 2024.