
Monroe township
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 26.134
- State:
- Ohio
Monroe township is located in Butler County, Ohio. Monroe township has a 2025 population of 445. Monroe township is currently growing at a rate of 0.91% annually and its population has increased by 2.77% since the most recent census, which recorded a population of 433 in 2020.
The average household income in Monroe township is $71,755 with a poverty rate of 4.46%. The median age in Monroe township is 45.3 years: 45.5 years for males, and 45.1 years for females.