Percy is located in Randolph county Illinois with a geographic area of 1.0 square miles. The total population in Percy is 1,110 with 58.3% male and 41.7% female. Children under age 5 represent 10.4% of the population, under age 18 equal 36.5% of the population and over age 65 is 10.4% of the population. The median household income is $36,163, per capita income is $15,800. There are a total of 382 housing units with 68.3% owner occupied. Education includes 35.6% of residents that are high school graduates and 5.2% with a bachelor's degree or higher. The average temperature in Percy in the summer is 74 degrees, and in the winter 27 degrees.