Gasburg is located in Brunswick county Virginia with a geographic area of 5.7 square miles. The total population in Gasburg is 508 with 40.7% male and 59.3% female. Children under age 5 represent 3.1% of the population, under age 18 equal 19.9% of the population and over age 65 is 9.8% of the population. The median household income is $61,131, per capita income is $58,177. There are a total of 271 housing units with 53.9% owner occupied. Education includes 24.7% of residents that are high school graduates and 40.2% with a bachelor's degree or higher. The average temperature in Gasburg in the summer is 71 degrees, and in the winter 35 degrees.