
New Douglas township
- County:
- Madison County
- County Seat:
- No
- Area (mi²):
- 20.878
- State:
- Illinois
New Douglas township is located in Madison County, Illinois. New Douglas township has a 2025 population of 512. New Douglas township is currently declining at a rate of -0.58% annually and its population has decreased by -2.85% since the most recent census, which recorded a population of 527 in 2020.
The average household income in New Douglas township is $79,630 with a poverty rate of 8.82%. The median age in New Douglas township is 45.3 years: 46.2 years for males, and 44.7 years for females.