In 2017, Flat Rock, IL had a population of 278 people with a median age of 44.6 and a median household income of $41,667. Between 2016 and 2017 the population of Flat Rock, IL declined from 329 to 278, a -155% decrease and its median household income grew from $40,313 to $41,667, a 3.36% increase.
The population of Flat Rock, IL is 96% White Alone, 1.8% Two or More Races, and 1.44% American Indian & Alaska Native Alone. N/A% of the people in Flat Rock, IL speak a non-English language, and 100% are U.S. citizens.
The median property value in Flat Rock, IL is $55,000, and the homeownership rate is 92.6%. Most people in Flat Rock, IL commute by Drove Alone, and the average commute time is 27.1 minutes. The average car ownership in Flat Rock, IL is 2 cars per household.