Centralia Real EstateCentralia is located in Illinois. Centralia, Illinois has a population of 12,582. Centralia is less family-centric than the surrounding county with 22.63% of the households containing married families with children. The county average for households married with children is 25.64%. The median household income in Centralia, Illinois is $33,902. The median household income for the surrounding county is $44,679 compared to the national median of $57,652. The median age of people living in Centralia is 40.9 years. Centralia WeatherThe average high temperature in July is 87.8 degrees, with an average low temperature in January of 20.3 degrees. The average rainfall is approximately 43.2 inches per year, with 10.8 inches of snow per year. Centralia MapReal estate near CentraliaNearby CitiesNearby Cities Homes for Sale |