St. maries is located in Benewah county Idaho with a geographic area of 1.2 square miles. The total population in St. maries is 3,219 with 49.4% male and 50.6% female. Children under age 5 represent 7.9% of the population, under age 18 equal 24.0% of the population and over age 65 is 17.0% of the population. The median household income is $47,532, per capita income is $23,012. There are a total of 1,312 housing units with 60.7% owner occupied. Education includes 42.9% of residents that are high school graduates and 14.9% with a bachelor's degree or higher. The average temperature in St. maries in the summer is 65 degrees, and in the winter 24 degrees.
