Grantsville is located in Calhoun county West virginia with a geographic area of 0.4 square miles. The total population in Grantsville is 528 with 49.2% male and 50.8% female. Children under age 5 represent 5.1% of the population, under age 18 equal 27.1% of the population and over age 65 is 24.4% of the population. The median household income is $28,750, per capita income is $21,506. There are a total of 216 housing units with 69.4% owner occupied. Education includes 47.2% of residents that are high school graduates and 24.1% with a bachelor's degree or higher. The average temperature in Grantsville in the summer is 69 degrees, and in the winter 32 degrees.
