Essex is located in Illinois. Essex, Illinois has a population of 875. Essex is more family-centric than the surrounding county with 38.91% of the households containing married families with children. The county average for households married with children is 28.54%.
The median household income in Essex, Illinois is $70,000. The median household income for the surrounding county is $56,542 compared to the national median of $57,652. The median age of people living in Essex is 37 years.
The average high temperature in July is 84.5 degrees, with an average low temperature in January of 15.8 degrees. The average rainfall is approximately 38.6 inches per year, with 23.7 inches of snow per year.
