Roscoe is located in Winnebago county Illinois with a geographic area of 10.3 square miles. The total population in Roscoe is 10,632 with 51.0% male and 49.0% female. Children under age 5 represent 9.6% of the population, under age 18 equal 30.7% of the population and over age 65 is 10.0% of the population. The median household income is $98,750, per capita income is $37,894. There are a total of 3,738 housing units with 74.1% owner occupied. Education includes 21.6% of residents that are high school graduates and 40.3% with a bachelor's degree or higher. The average temperature in Roscoe in the summer is 74 degrees, and in the winter 27 degrees.