Reidville is a town in Spartanburg County, South Carolina, United States. The population was 601 at the 2010 census.
A post office has been in operation at Reidville since 1858. The community was named for R. H. Reid, a local minister.
Reidville Academy Faculty House was listed on the National Register of Historic Places in 1997.
Reidville is located at 34°51′54″N 82°6′17″W (34.865048, -82.104812).
According to the United States Census Bureau, the town has a total area of 1.4 square miles (3.5 km2), all land.
As of the census of 2000, there were 478 people, 195 households, and 146 families residing in the town. The population density was 350.1 people per square mile (134.7/km2). There were 209 housing units at an average density of 153.1 per square mile (58.9/km2). The racial makeup of the town was 90.59% White, 7.95% African American, 0.63% Asian, and 0.84% from two or more races. Hispanic or Latino of any race were 1.67% of the population.
There were 195 households, out of which 30.3% had children under the age of 18 living with them, 63.1% were married couples living together, 8.7% had a female householder with no husband present, and 25.1% were non-families. 23.1% of all households were made up of individuals, and 10.3% had someone living alone who was 65 years of age or older.