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Centralia is located in Illinois. Centralia, Illinois has a population of 12,227. Centralia is less family-centric than the surrounding county with 26% of the households containing married families with children. The county average for households married with children is 27%.
The median household income in Centralia, IL is $33,874. The median household income for the surrounding county is $44,101 compared to the national median of $57,525. The median age of people living in Centralia is 41 years old.Learn more about Real Estate.