Chester Real EstateChester is located in Illinois. Chester, Illinois has a population of 8,597. Chester is more family-centric than the surrounding county with 28.72% of the households containing married families with children. The county average for households married with children is 25.97%. The median household income in Chester, Illinois is $35,000. The median household income for the surrounding county is $49,717 compared to the national median of $57,652. The median age of people living in Chester is 39.9 years. Chester WeatherThe average high temperature in July is 90.2 degrees, with an average low temperature in January of 22.9 degrees. The average rainfall is approximately 44.1 inches per year, with 13.3 inches of snow per year. Chester MapReal estate near ChesterNearby CitiesNearby Cities Homes for Sale |