Monroe township
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 24.717
- State:
- Ohio
Monroe township is located in Butler County, Ohio. Monroe township has a 2026 population of 539. Monroe township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 539 in 2020.
The median household income in Monroe township is $66,352 with a poverty rate of 1.81%. The median age in Monroe township is 44.5 years: 55.4 years for males, and 42.3 years for females. For every 100 females there are 112.3 males.