New Haven is located in Illinois. New Haven, Illinois has a population of 437. New Haven is less family-centric than the surrounding county with 27% households with children. The county percentage for households with children is 28%.
The median household income in New Haven, Illinois is $60,991. The median household income for the surrounding county is $46,250 compared to the national median of $66,222. The median age of people living in New Haven is 43.4 years.
The average high temperature in July is 89.02 degrees, with an average low temperature in January of 22.12 degrees. The annual precipitation is 45.07.