Mill Creek is located in Illinois. Mill Creek, Illinois has a population of 31. Mill Creek is less family-centric than the surrounding county with 9.09% of the households containing married families with children. The county average for households married with children is 30.84%.
The median household income for the surrounding county is $53,363 compared to the national median of $69,021. The median age of people living in Mill Creek is 37.5 years.
The average high temperature in July is 88.7 degrees, with an average low temperature in January of 24.7 degrees. The average rainfall is approximately 49.3 inches per year, with 10.2 inches of snow per year.
