Chester is located in Illinois. Chester, Illinois has a population of 7,787. Chester is less family-centric than the surrounding county with 18.46% of the households containing married families with children. The county average for households married with children is 27.66%.
The median household income in Chester, Illinois is $56,368. The median household income for the surrounding county is $58,093 compared to the national median of $69,021. The median age of people living in Chester is 41.4 years.
The average high temperature in July is 89 degrees, with an average low temperature in January of 21.9 degrees. The average rainfall is approximately 43.9 inches per year, with 8.7 inches of snow per year.
