
Newmansville township
- County:
- Cass County
- County Seat:
- No
- Area (mi²):
- 17.787
- State:
- Illinois
Newmansville township is located in Cass County, Illinois. Newmansville township has a 2025 population of 63. Newmansville township is currently declining at a rate of 0% annually and its population has decreased by -3.08% since the most recent census, which recorded a population of 65 in 2020.
The average household income in Newmansville township is $104,520 with a poverty rate of 11.63%. The median age in Newmansville township is 18.3 years: 37.3 years for males, and 4.3 years for females.