
Ontonagon township
- County:
- Ontonagon County
- County Seat:
- No
- Area (mi²):
- 193.849
- State:
- Michigan
Ontonagon township is located in Ontonagon County, Michigan. Ontonagon township has a 2025 population of 2,299. Ontonagon township is currently declining at a rate of -0.09% annually but its population has increased by 2.04% since the most recent census, which recorded a population of 2,253 in 2020.
The average household income in Ontonagon township is $63,048 with a poverty rate of 9.35%. The median age in Ontonagon township is 60.1 years: 59 years for males, and 61.3 years for females.