Mount Vernon is located in Illinois. Mount Vernon, Illinois has a population of 14,614. Mount Vernon is less family-centric than the surrounding county with 15.03% of the households containing married families with children. The county average for households married with children is 23.87%.
The median household income in Mount Vernon, Illinois is $44,373. The median household income for the surrounding county is $54,692 compared to the national median of $69,021. The median age of people living in Mount Vernon is 39 years.
The average high temperature in July is 87.2 degrees, with an average low temperature in January of 21 degrees. The average rainfall is approximately 43.8 inches per year, with 11.1 inches of snow per year.
