
Fillmore township
- County:
- Allegan County
- County Seat:
- No
- Area (mi²):
- 28.302
- State:
- Michigan
Fillmore township is located in Allegan County, Michigan. Fillmore township has a 2025 population of 2,763. Fillmore township is currently declining at a rate of -0.25% annually and its population has decreased by -0.47% since the most recent census, which recorded a population of 2,776 in 2020.
The average household income in Fillmore township is $100,061 with a poverty rate of 1.94%. The median age in Fillmore township is 41.5 years: 41.2 years for males, and 41.7 years for females.