Diamond is located in Illinois. Diamond, Illinois has a population of 2,346. Diamond is more family-centric than the surrounding county with 41% households with children. The county percentage for households with children is 33%.
The median household income in Diamond, Illinois is $60,490. The median household income for the surrounding county is $79,417 compared to the national median of $66,222. The median age of people living in Diamond is 38.1 years.
The average high temperature in July is 85.4 degrees, with an average low temperature in January of 12.6 degrees. The annual precipitation is 37.25.