
Monroe township
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 30.378
- State:
- Ohio
Monroe township is located in Butler County, Ohio. Monroe township has a 2025 population of 16,647. Monroe township is currently growing at a rate of 0.62% annually and its population has increased by 3.1% since the most recent census, which recorded a population of 16,147 in 2020.
The average household income in Monroe township is $109,883 with a poverty rate of 6.99%. The median age in Monroe township is 42.1 years: 40.5 years for males, and 43.6 years for females.