Sylvester is a town in Boone County, West Virginia, United States, along the Big Coal River.

[2] Sylvester was incorporated on April 11, 1952, by the Boone County Circuit Court.

[6] The town's municipal boundaries extend to both sides of the river, though its business district and residential areas lie primarily on the river's eastern bank.

West Virginia Route 3 (Coal River Road) traverses Sylvester.

[7] At the 2010 census there were 160 people, 67 households, and 44 families living in the town.

The racial makeup of the town was 98.46% White, 1.03% African American, and 0.51% from two or more races.

About 10.7% of families and 7.7% of the population were below the poverty line, including 8.3% of those under the age of eighteen and 3.9% of those sixty five or over.