Arnold Real Estate
Arnold is located in Illinois. Arnold, Illinois has a population of 9,406.
The median household income in Arnold, Illinois is $41,542. The median household income for the surrounding county is $49,353 compared to the national median of $57,652. The median age of people living in Arnold is 37.5 years.
The average high temperature in July is 86.4 degrees, with an average low temperature in January of 17.2 degrees. The average rainfall is approximately 38.8 inches per year, with 17.4 inches of snow per year.