Sylvester is located in Boone county West virginia with a geographic area of 0.3 square miles. The total population in Sylvester is 224 with 39.3% male and 60.7% female. Children under age 5 represent 6.7% of the population, under age 18 equal 29.0% of the population and over age 65 is 19.6% of the population. The median household income is $56,000, per capita income is $23,908. There are a total of 86 housing units with 75.6% owner occupied. Education includes 36.0% of residents that are high school graduates and 36.0% with a bachelor's degree or higher. The average temperature in Sylvester in the summer is 69 degrees, and in the winter 32 degrees.