Marietta Real Estate
Marietta is located in Illinois. Marietta, Illinois has a population of 103. Marietta is less family-centric than the surrounding county with 22.58% of the households containing married families with children. The county average for households married with children is 25.06%.
The median household income in Marietta, Illinois is $41,875. The median household income for the surrounding county is $48,599 compared to the national median of $57,652. The median age of people living in Marietta is 56.4 years.
The average high temperature in July is 86.6 degrees, with an average low temperature in January of 15.5 degrees. The average rainfall is approximately 39 inches per year, with 20.3 inches of snow per year.