Allerton is located in Illinois. Allerton, Illinois has a population of 226. Allerton is more family-centric than the surrounding county with 32.26% of the households containing married families with children. The county average for households married with children is 24.27%.
The median household income in Allerton, Illinois is $62,857. 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 Allerton is 45.6 years.
The average high temperature in July is 85.4 degrees, with an average low temperature in January of 16.8 degrees. The average rainfall is approximately 40.2 inches per year, with 20.6 inches of snow per year.
