De Witt township
- County:
- De Witt County
- County Seat:
- No
- Area (mi²):
- 31.768
- State:
- Illinois
De Witt township is located in De Witt County, Illinois. De Witt township has a 2026 population of 426. De Witt township is currently growing at a rate of 0.47% annually and its population has increased by 0.47% since the most recent census, which recorded a population of 424 in 2020.
The median household income in De Witt township is $101,250 with a poverty rate of 7.47%. The median age in De Witt township is 51.6 years: 52.9 years for males, and 50.8 years for females. For every 100 females there are 89.4 males.