
Marseilles township
- County:
- Wyandot County
- County Seat:
- No
- Area (mi²):
- 24.045
- State:
- Ohio
Marseilles township is located in Wyandot County, Ohio. Marseilles township has a 2025 population of 363. Marseilles township is currently declining at a rate of -0.82% annually and its population has decreased by -4.72% since the most recent census, which recorded a population of 381 in 2020.
The average household income in Marseilles township is $84,136 with a poverty rate of 5.69%. The median age in Marseilles township is 44 years: 33.4 years for males, and 48.9 years for females.