Collinsville is a census-designated place (CDP) in Henry County, Virginia, United States.

As of the census[1] of 2000, there were 7,777 people, 3,466 households, and 2,197 families residing in the CDP.

The racial makeup of the CDP was 84.84% White, 11.28% African American, 0.14% Native American, 0.63% Asian, 0.18% Pacific Islander, 1.98% from other races, and 0.95% from two or more races.

32.1% of all households were made up of individuals, and 12.4% had someone living alone who was 65 years of age or older.

The climate in this area is characterized by hot, humid summers and generally mild to cool winters.