Martinsville City, VA - Resident Population in Martinsville city, VA was 13.76300 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Martinsville City, VA - Resident Population in Martinsville city, VA reached a record high of 19.65300 in January of 1970 and a record low of 12.44300 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Martinsville City, VA - Resident Population in Martinsville city, VA - last updated from the United States Federal Reserve on May of 2024.