Mokena is located in Illinois. Mokena, Illinois has a population of 20,313. Mokena is less family-centric than the surrounding county with 38.88% of the households containing married families with children. The county average for households married with children is 39.47%.
The median household income in Mokena, Illinois is $101,587. The median household income for the surrounding county is $80,782 compared to the national median of $57,652. The median age of people living in Mokena is 40.8 years.
The average high temperature in July is 84.1 degrees, with an average low temperature in January of 16 degrees. The average rainfall is approximately 38.6 inches per year, with 28.3 inches of snow per year.