Dungannon is located in Scott county Virginia with a geographic area of 0.4 square miles. The total population in Dungannon is 302 with 45.7% male and 54.3% female. Children under age 5 represent 5.3% of the population, under age 18 equal 27.5% of the population and over age 65 is 12.9% of the population. The median household income is $30,556, per capita income is $17,036. There are a total of 132 housing units with 56.8% owner occupied. Education includes 34.8% of residents that are high school graduates and 7.6% with a bachelor's degree or higher. The average temperature in Dungannon in the summer is 71 degrees, and in the winter 35 degrees.