Westminster is located in Windham county Vermont with a geographic area of 1.4 square miles. The total population in Westminster is 427 with 56.0% male and 44.0% female. Children under age 5 represent 3.5% of the population, under age 18 equal 30.7% of the population and over age 65 is 22.0% of the population. The median household income is $80,625, per capita income is $34,437. There are a total of 136 housing units with 87.5% owner occupied. Education includes 18.4% of residents that are high school graduates and 36.0% with a bachelor's degree or higher. The average temperature in Westminster in the summer is 65 degrees, and in the winter 19 degrees.