Peterstown is located in Monroe county West virginia with a geographic area of 0.3 square miles. The total population in Peterstown is 752 with 44.1% male and 55.9% female. Children under age 5 represent 4.5% of the population, under age 18 equal 33.8% of the population and over age 65 is 19.3% of the population. The median household income is $40,868, per capita income is $22,093. There are a total of 287 housing units with 61.0% owner occupied. Education includes 45.3% of residents that are high school graduates and 17.1% with a bachelor's degree or higher. The average temperature in Peterstown in the summer is 69 degrees, and in the winter 32 degrees.