Martinsville is an independent city which is surrounded by Henry County, Virginia, United States. The population was 13,821 in 2010. The Bureau of Economic Analysis combines the city of Martinsville with Henry County for statistical purposes. The paper clip-shaped Martinsville Speedway, the shortest track in NASCAR stock car racing [0.526 miles (0.847 km)] and also one of the first paved "speedways", being built in 1947, is located just outside the city in the town of Ridgeway.
Martinsville is the principal city of the Martinsville Micropolitan Statistical Area, a micropolitan area that covers Henry County and the city of Martinsville. The micropolitan area had a combined population of 73,346 as of the 2000 census.
Martinsville was founded by American Revolutionary War General, Indian agent and explorer Joseph Martin, born in Albemarle County, whose plantation Scuffle Hill was located on the banks of the Smith River near the present-day southern city limits. General Martin and revolutionary patriot Patrick Henry, who lived briefly in Henry County and for whom the county is named, were good friends.