Monroe township
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 40.384
- State:
- Ohio
Monroe township is located in Butler County, Ohio. Monroe township has a 2026 population of 1,276. Monroe township is currently growing at a rate of 1.75% annually and its population has increased by 3.82% since the most recent census, which recorded a population of 1,229 in 2020.
The median household income in Monroe township is $110,179 with a poverty rate of 3.27%. The median age in Monroe township is 40.1 years: 40.3 years for males, and 38.5 years for females. For every 100 females there are 121.9 males.