Falls Church City, VA - Resident Population in Falls Church city, VA was 14.68500 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Falls Church City, VA - Resident Population in Falls Church city, VA reached a record high of 14.68500 in January of 2023 and a record low of 9.20000 in January of 1977. Trading Economics provides the current actual value, an historical data chart and related indicators for Falls Church City, VA - Resident Population in Falls Church city, VA - last updated from the United States Federal Reserve on May of 2024.