St. marys is located in Pleasants county West virginia with a geographic area of 1.0 square miles. The total population in St. marys is 2,050 with 50.8% male and 49.2% female. Children under age 5 represent 4.0% of the population, under age 18 equal 15.0% of the population and over age 65 is 19.7% of the population. The median household income is $49,836, per capita income is $34,373. There are a total of 903 housing units with 82.2% owner occupied. Education includes 50.8% of residents that are high school graduates and 10.1% with a bachelor's degree or higher. The average temperature in St. marys in the summer is 69 degrees, and in the winter 32 degrees.
