Cisco is located in Piatt county Illinois with a geographic area of 0.2 square miles. The total population in Cisco is 284 with 54.2% male and 45.8% female. Children under age 5 represent 10.2% of the population, under age 18 equal 21.1% of the population and over age 65 is 13.4% of the population. The median household income is $56,250, per capita income is $28,439. There are a total of 126 housing units with 82.5% owner occupied. Education includes 51.6% of residents that are high school graduates and 11.1% with a bachelor's degree or higher. The average temperature in Cisco in the summer is 74 degrees, and in the winter 27 degrees.