Flat Rock is located in Illinois. Flat Rock, Illinois has a population of 414. Flat Rock is more family-centric than the surrounding county with 42.98% of the households containing married families with children. The county average for households married with children is 33.68%.
The median household income in Flat Rock, Illinois is $42,000. The median household income for the surrounding county is $54,942 compared to the national median of $69,021. The median age of people living in Flat Rock is 34.4 years.
The average high temperature in July is 87.8 degrees, with an average low temperature in January of 22.7 degrees. The average rainfall is approximately 44.5 inches per year, with 12.4 inches of snow per year.
