Avon Real EstateAvon is located in Illinois. Avon, Illinois has a population of 647. Avon is more family-centric than the surrounding county with 25.47% of the households containing married families with children. The county average for households married with children is 24.56%. The median household income in Avon, Illinois is $36,818. The median household income for the surrounding county is $53,441 compared to the national median of $69,021. The median age of people living in Avon is 45.4 years. Avon WeatherThe average high temperature in July is 85.1 degrees, with an average low temperature in January of 14.6 degrees. The average rainfall is approximately 37.9 inches per year, with 22.2 inches of snow per year. Avon MapReal estate near AvonNearby CitiesNearby Cities Homes for Sale |