Monroe township
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 24.1
- State:
- Ohio
Monroe township is located in Butler County, Ohio. Monroe township has a 2026 population of 1,611. Monroe township is currently growing at a rate of 0.37% annually and its population has increased by 0.88% since the most recent census, which recorded a population of 1,597 in 2020.
The median household income in Monroe township is $87,063 with a poverty rate of 4.05%. The median age in Monroe township is 49.7 years: 49.1 years for males, and 50.3 years for females. For every 100 females there are 116.0 males.