
Du Bois township
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 36.751
- State:
- Illinois
Du Bois township is located in Washington County, Illinois. Du Bois township has a 2025 population of 641. Du Bois township is currently declining at a rate of -0.47% annually and its population has decreased by -0.77% since the most recent census, which recorded a population of 646 in 2020.
The average household income in Du Bois township is $68,801 with a poverty rate of 12.16%. The median age in Du Bois township is 48 years: 53 years for males, and 45.6 years for females.