Salem is located in Illinois. Salem, Illinois has a population of 7,269. Salem is less family-centric than the surrounding county with 24.18% of the households containing married families with children. The county average for households married with children is 26.8%.
The median household income in Salem, Illinois is $51,559. The median household income for the surrounding county is $53,209 compared to the national median of $69,021. The median age of people living in Salem is 36.8 years.
The average high temperature in July is 87.5 degrees, with an average low temperature in January of 20.4 degrees. The average rainfall is approximately 43.6 inches per year, with 11.5 inches of snow per year.
