Aviston is located in Illinois. Aviston, Illinois has a population of 2,417. Aviston is more family-centric than the surrounding county with 43.59% of the households containing married families with children. The county average for households married with children is 29.66%.
The median household income in Aviston, Illinois is $84,735. The median household income for the surrounding county is $72,468 compared to the national median of $69,021. The median age of people living in Aviston is 37.8 years.
The average high temperature in July is 88.6 degrees, with an average low temperature in January of 21.3 degrees. The average rainfall is approximately 42.5 inches per year, with 10.9 inches of snow per year.