Lyndon is located in Illinois. Lyndon, Illinois has a population of 626. Lyndon is less family-centric than the surrounding county with 18.29% of the households containing married families with children. The county average for households married with children is 25.5%.
The median household income in Lyndon, Illinois is $42,019. The median household income for the surrounding county is $51,969 compared to the national median of $57,652. The median age of people living in Lyndon is 43.4 years.
The average high temperature in July is 84.6 degrees, with an average low temperature in January of 12.5 degrees. The average rainfall is approximately 37.2 inches per year, with 29.7 inches of snow per year.
