Leaf river is located in Ogle county Illinois with a geographic area of 0.9 square miles. The total population in Leaf river is 510 with 53.5% male and 46.5% female. Children under age 5 represent 6.9% of the population, under age 18 equal 21.6% of the population and over age 65 is 12.4% of the population. The median household income is $60,000, per capita income is $31,913. There are a total of 234 housing units with 76.5% owner occupied. Education includes 40.2% of residents that are high school graduates and 15.0% with a bachelor's degree or higher. The average temperature in Leaf river in the summer is 74 degrees, and in the winter 27 degrees.