
Monroe township
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 35.121
- State:
- Ohio
Monroe township is located in Butler County, Ohio. Monroe township has a 2025 population of 2,054. Monroe township is currently declining at a rate of -0.1% annually and its population has decreased by -1.58% since the most recent census, which recorded a population of 2,087 in 2020.
The average household income in Monroe township is $85,649 with a poverty rate of 9.51%. The median age in Monroe township is 36.7 years: 34 years for males, and 40.3 years for females.