Chelsea is located in Orange county Vermont with a geographic area of 0.9 square miles. The total population in Chelsea is 463 with 47.7% male and 52.3% female. Children under age 5 represent 8.2% of the population, under age 18 equal 33.5% of the population and over age 65 is 22.0% of the population. The median household income is $38,631, per capita income is $25,132. There are a total of 179 housing units with 70.4% owner occupied. Education includes 23.5% of residents that are high school graduates and 27.4% with a bachelor's degree or higher. The average temperature in Chelsea in the summer is 65 degrees, and in the winter 19 degrees.