Quinwood is a town and former coal town in Greenbrier County, West Virginia, United States. The population was 290 at the 2010 census.
The community's name is an amalgamation of the names of its proprietors Quin Morton and W. S. Wood.
Quinwood is located at 38°3′29″N 80°42′16″W (38.058117, -80.704334).
According to the United States Census Bureau, the town has a total area of 0.35 square miles (0.91 km2), all of it land.
At the 2010 census there were 290 people, 118 households, and 92 families living in the town. The population density was 828.6 inhabitants per square mile (319.9/km2). There were 152 housing units at an average density of 434.3 per square mile (167.7/km2). The racial makeup of the town was 95.5% White, 1.0% African American, 0.7% Native American, 0.3% from other races, and 2.4% from two or more races. Hispanic or Latino of any race were 0.3%.
Of the 118 households 31.4% had children under the age of 18 living with them, 58.5% were married couples living together, 15.3% had a female householder with no husband present, 4.2% had a male householder with no wife present, and 22.0% were non-families. 17.8% of households were one person and 6.7% were one person aged 65 or older. The average household size was 2.46 and the average family size was 2.66.
The median age in the town was 47 years.