
Monroe township
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 31.273
- State:
- Ohio
Monroe township is located in Butler County, Ohio. Monroe township has a 2025 population of 1,794. Monroe township is currently declining at a rate of -0.06% annually and its population has decreased by -0.39% since the most recent census, which recorded a population of 1,801 in 2020.
The average household income in Monroe township is $99,705 with a poverty rate of 3.58%. The median age in Monroe township is 33.2 years: 33.6 years for males, and 31.5 years for females.