Onancock is located in Accomack county Virginia with a geographic area of 1.0 square miles. The total population in Onancock is 1,160 with 47.3% male and 52.7% female. Children under age 5 represent 3.4% of the population, under age 18 equal 15.5% of the population and over age 65 is 35.5% of the population. The median household income is $46,193, per capita income is $42,293. There are a total of 618 housing units with 67.2% owner occupied. Education includes 29.6% of residents that are high school graduates and 33.5% with a bachelor's degree or higher. The average temperature in Onancock in the summer is 71 degrees, and in the winter 35 degrees.
