Plain is located in Sauk county Wisconsin with a geographic area of 0.8 square miles. The total population in Plain is 681 with 49.5% male and 50.5% female. Children under age 5 represent 2.3% of the population, under age 18 equal 20.9% of the population and over age 65 is 22.9% of the population. The median household income is $66,250, per capita income is $42,819. There are a total of 310 housing units with 72.9% owner occupied. Education includes 39.4% of residents that are high school graduates and 22.3% with a bachelor's degree or higher. The average temperature in Plain in the summer is 66 degrees, and in the winter 17 degrees.
