Clarence is located in Illinois. Clarence, Illinois has a population of 272.
The median household income in Clarence, Illinois is $47,031. The median household income for the surrounding county is $49,063 compared to the national median of $69,021. The median age of people living in Clarence is 32.8 years.
The average high temperature in July is 85.2 degrees, with an average low temperature in January of 16.2 degrees. The average rainfall is approximately 39.4 inches per year, with 15.4 inches of snow per year.