
Onekama township
- County:
- Manistee County
- County Seat:
- No
- Area (mi²):
- 18.424
- State:
- Michigan
Onekama township is located in Manistee County, Michigan. Onekama township has a 2025 population of 1,355. Onekama township is currently growing at a rate of 0.22% annually and its population has increased by 0.74% since the most recent census, which recorded a population of 1,345 in 2020.
The average household income in Onekama township is $103,476 with a poverty rate of 3.62%. The median age in Onekama township is 62.4 years: 61.3 years for males, and 62.6 years for females.