Collinsville is a census-designated place (CDP) in Henry County, Virginia, United States. As of the 2020 census, Collinsville had a population of 7,380. It is part of the Martinsville Micropolitan Statistical Area. Collinsville is also where the administration building and county courthouse of Henry County are located (though nearby Martinsville - an independent city which is not technically part of the county - is usually identified as the county seat).
Geography
Collinsville is located at .
According to the United States Census Bureau, the CDP has a total area of , of which is land and (0.25%) is water.
Demographics
As of the census