Potosi is located in Washington county Missouri with a geographic area of 2.3 square miles. The total population in Potosi is 2,572 with 45.3% male and 54.7% female. Children under age 5 represent 8.5% of the population, under age 18 equal 24.0% of the population and over age 65 is 18.1% of the population. The median household income is $32,835, per capita income is $20,216. There are a total of 1,057 housing units with 49.6% owner occupied. Education includes 35.4% of residents that are high school graduates and 16.9% with a bachelor's degree or higher. The average temperature in Potosi in the summer is 76 degrees, and in the winter 32 degrees.
