Vergennes is located in Illinois. Vergennes, Illinois has a population of 243. Vergennes is more family-centric than the surrounding county with 37.5% of the households containing married families with children. The county average for households married with children is 25.05%.
The median household income in Vergennes, Illinois is $50,250. The median household income for the surrounding county is $41,699 compared to the national median of $69,021. The median age of people living in Vergennes is 35.5 years.
The average high temperature in July is 88.6 degrees, with an average low temperature in January of 23.8 degrees. The average rainfall is approximately 46 inches per year, with 11.1 inches of snow per year.
