De Witt is a village located in De Witt County, Illinois. De Witt has a 2026 population of 165. De Witt is currently declining at a rate of 0% annually and its population has increased by 1.85% since the most recent census, which recorded a population of 162 in 2020.
The median household income in De Witt is $82,188 with a poverty rate of 5.68%. The median age in De Witt is 45.3 years: 49.7 years for males, and 40.1 years for females. For every 100 females there are 85.3 males.