New Haven is located in Illinois. New Haven, Illinois has a population of 406. New Haven is more family-centric than the surrounding county with 31.33% of the households containing married families with children. The county average for households married with children is 26.84%.
The median household income in New Haven, Illinois is $32,188. The median household income for the surrounding county is $52,597 compared to the national median of $69,021. The median age of people living in New Haven is 40.5 years.
The average high temperature in July is 88 degrees, with an average low temperature in January of 24.5 degrees. The average rainfall is approximately 46.9 inches per year, with 9.6 inches of snow per year.
