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Flat Rock is located in Illinois. Flat Rock, Illinois has a population of 274. Flat Rock is less family-centric than the surrounding county with 18% of the households containing married families with children. The county average for households married with children is 25%.
The median household income in Flat Rock, IL is $53,182. The median household income for the surrounding county is $48,886 compared to the national median of $57,525. The median age of people living in Flat Rock is 42 years old.Learn more about Real Estate.