Diamond is located in Illinois. Diamond, Illinois has a population of 2,686. Diamond is more family-centric than the surrounding county with 46.78% of the households containing married families with children. The county average for households married with children is 36.37%.
The median household income in Diamond, Illinois is $57,298. The median household income for the surrounding county is $71,598 compared to the national median of $57,652. The median age of people living in Diamond is 31.6 years.
The average high temperature in July is 84.1 degrees, with an average low temperature in January of 14.8 degrees. The average rainfall is approximately 37.7 inches per year, with 22.2 inches of snow per year.