Somonauk is located in Illinois. Somonauk, Illinois has a population of 1,757. Somonauk is more family-centric than the surrounding county with 33.12% of the households containing married families with children. The county average for households married with children is 31.37%.
The median household income in Somonauk, Illinois is $72,500. The median household income for the surrounding county is $64,019 compared to the national median of $69,021. The median age of people living in Somonauk is 38.3 years.
The average high temperature in July is 83.1 degrees, with an average low temperature in January of 13.5 degrees. The average rainfall is approximately 38 inches per year, with 29.2 inches of snow per year.
