Glenarm is located in Illinois. Glenarm, Illinois has a population of 840. Glenarm is less family-centric than the surrounding county with 25.17% of the households containing married families with children. The county average for households married with children is 27.08%.
The median household income in Glenarm, Illinois is $82,981. The median household income for the surrounding county is $58,687 compared to the national median of $57,652. The median age of people living in Glenarm is 50 years.
The average high temperature in July is 86.9 degrees, with an average low temperature in January of 21.1 degrees. The average rainfall is approximately 38.6 inches per year, with 19.7 inches of snow per year.
