Dewitt is located in Illinois. Dewitt, Illinois has a population of 513. Dewitt is more family-centric than the surrounding county with 51.45% of the households containing married families with children. The county average for households married with children is 26.03%.
The median household income in Dewitt, Illinois is $77,857. The median household income for the surrounding county is $60,401 compared to the national median of $69,021. The median age of people living in Dewitt is 38.5 years.
The average high temperature in July is 84.2 degrees, with an average low temperature in January of 15.6 degrees. The average rainfall is approximately 40 inches per year, with 18.4 inches of snow per year.