Prairie Du Rocher is located in Illinois. Prairie Du Rocher, Illinois has a population of 411. Prairie Du Rocher is more family-centric than the surrounding county with 32.52% of the households containing married families with children. The county average for households married with children is 27.66%.
The median household income in Prairie Du Rocher, Illinois is $60,500. The median household income for the surrounding county is $58,093 compared to the national median of $69,021. The median age of people living in Prairie Du Rocher is 39.3 years.
The average high temperature in July is 88.9 degrees, with an average low temperature in January of 21.8 degrees. The average rainfall is approximately 42.6 inches per year, with 9.1 inches of snow per year.
