
Monroe township
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 35.787
- State:
- Ohio
Monroe township is located in Butler County, Ohio. Monroe township has a 2025 population of 1,997. Monroe township is currently declining at a rate of -0.4% annually and its population has decreased by -1.72% since the most recent census, which recorded a population of 2,032 in 2020.
The average household income in Monroe township is $85,243 with a poverty rate of 9.55%. The median age in Monroe township is 42.3 years: 41.2 years for males, and 42.9 years for females.