
Waldo township
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 18.85
- State:
- Ohio
Waldo township is located in Marion County, Ohio. Waldo township has a 2025 population of 1,130. Waldo township is currently growing at a rate of 0.27% annually and its population has increased by 0.71% since the most recent census, which recorded a population of 1,122 in 2020.
The average household income in Waldo township is $85,903 with a poverty rate of 3.28%. The median age in Waldo township is 37.9 years: 34.6 years for males, and 53.4 years for females.