
Manlius township
- County:
- Allegan County
- County Seat:
- No
- Area (mi²):
- 35.191
- State:
- Michigan
Manlius township is located in Allegan County, Michigan. Manlius township has a 2025 population of 3,415. Manlius township is currently growing at a rate of 0.65% annually and its population has increased by 2.89% since the most recent census, which recorded a population of 3,319 in 2020.
The average household income in Manlius township is $97,596 with a poverty rate of 7.72%. The median age in Manlius township is 37.9 years: 37.7 years for males, and 37.9 years for females.