St. james is located in Phelps county Missouri with a geographic area of 4.3 square miles. The total population in St. james is 4,053 with 49.2% male and 50.8% female. Children under age 5 represent 8.9% of the population, under age 18 equal 31.2% of the population and over age 65 is 13.2% of the population. The median household income is $42,578, per capita income is $18,711. There are a total of 1,563 housing units with 46.8% owner occupied. Education includes 39.2% of residents that are high school graduates and 20.8% with a bachelor's degree or higher. The average temperature in St. james in the summer is 77 degrees, and in the winter 32 degrees.