Leaf River is located in Illinois. Leaf River, Illinois has a population of 379. Leaf River is less family-centric than the surrounding county with 24% households with children. The county percentage for households with children is 29%.
The median household income in Leaf River, Illinois is $60,978. The median household income for the surrounding county is $62,812 compared to the national median of $66,222. The median age of people living in Leaf River is 47.2 years.
The average high temperature in July is 82.66 degrees, with an average low temperature in January of 10.09 degrees. The annual precipitation is 33.09.