Lyndon is located in Illinois. Lyndon, Illinois has a population of 589. Lyndon is more family-centric than the surrounding county with 27.33% of the households containing married families with children. The county average for households married with children is 25.42%.
The median household income in Lyndon, Illinois is $40,000. The median household income for the surrounding county is $59,812 compared to the national median of $69,021. The median age of people living in Lyndon is 49.5 years.
The average high temperature in July is 85 degrees, with an average low temperature in January of 13.1 degrees. The average rainfall is approximately 36.7 inches per year, with 29.4 inches of snow per year.
