
Monroe township
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 36.352
- State:
- Ohio
Monroe township is located in Butler County, Ohio. Monroe township has a 2025 population of 2,726. Monroe township is currently declining at a rate of -0.22% annually and its population has decreased by -0.73% since the most recent census, which recorded a population of 2,746 in 2020.
The average household income in Monroe township is $88,406 with a poverty rate of 3.06%. The median age in Monroe township is 43.6 years: 40.6 years for males, and 45.4 years for females.