Mount Olive is located in Illinois. Mount Olive, Illinois has a population of 2,139. Mount Olive is less family-centric than the surrounding county with 17.4% of the households containing married families with children. The county average for households married with children is 25.51%.
The median household income in Mount Olive, Illinois is $44,201. The median household income for the surrounding county is $58,227 compared to the national median of $69,021. The median age of people living in Mount Olive is 47.7 years.
The average high temperature in July is 87.3 degrees, with an average low temperature in January of 19.5 degrees. The average rainfall is approximately 40 inches per year, with 15.9 inches of snow per year.
