
Monroe township
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 25.675
- State:
- Ohio
Monroe township is located in Butler County, Ohio. Monroe township has a 2025 population of 1,638. Monroe township is currently declining at a rate of -0.3% annually and its population has decreased by -1.62% since the most recent census, which recorded a population of 1,665 in 2020.
The average household income in Monroe township is $94,044 with a poverty rate of 5.94%. The median age in Monroe township is 41.1 years: 40.2 years for males, and 42.7 years for females.