
Waterman township
- County:
- O'Brien County
- County Seat:
- No
- Area (mi²):
- 35.151
- State:
- Iowa
Waterman township is located in O'Brien County, Iowa. Waterman township has a 2025 population of 796. Waterman township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Waterman township is $81,258 with a poverty rate of 8.64%. The median age in Waterman township is 52.5 years: 54.4 years for males, and 52 years for females.