Shannon is located in Illinois. Shannon, Illinois has a population of 786. Shannon is more family-centric than the surrounding county with 27.4% of the households containing married families with children. The county average for households married with children is 23.24%.
The median household income in Shannon, Illinois is $57,386. The median household income for the surrounding county is $54,959 compared to the national median of $69,021. The median age of people living in Shannon is 48 years.
The average high temperature in July is 84.2 degrees, with an average low temperature in January of 11.8 degrees. The average rainfall is approximately 37.9 inches per year, with 31.1 inches of snow per year.
