
Monroe township
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 26.3
- State:
- Ohio
Monroe township is located in Butler County, Ohio. Monroe township has a 2025 population of 1,019. Monroe township is currently declining at a rate of -1.36% annually and its population has decreased by -4.77% since the most recent census, which recorded a population of 1,070 in 2020.
The average household income in Monroe township is $76,993 with a poverty rate of 11.84%. The median age in Monroe township is 45.6 years: 52.1 years for males, and 45.2 years for females.