Nelsonia is located in Accomack county Virginia with a geographic area of 1.7 square miles. The total population in Nelsonia is 490 with 45.9% male and 54.1% female. Children under age 5 represent 14.3% of the population, under age 18 equal 21.4% of the population and over age 65 is 0.0% of the population. The median household income is $78,365, per capita income is $26,686. There are a total of 208 housing units with 41.8% owner occupied. Education includes 17.3% of residents that are high school graduates and 24.5% with a bachelor's degree or higher. The average temperature in Nelsonia in the summer is 71 degrees, and in the winter 35 degrees.