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Clay City is located in Illinois. Clay City, Illinois has a population of 823. Clay City is more 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 26%.
The median household income in Clay City, IL is $48,778. The median household income for the surrounding county is $46,755 compared to the national median of $57,525. The median age of people living in Clay City is 44 years old.Learn more about Real Estate.